1410 lines
34 KiB
ANTLR
1410 lines
34 KiB
ANTLR
parser grammar FlinkSqlParser;
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options { tokenVocab=FlinkSqlLexer; }
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program: statement EOF;
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statement
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: sqlStatements EOF
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;
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sqlStatements
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: (sqlStatement | emptyStatement)*
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;
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sqlStatement
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: ddlStatement SEMICOLON? | dmlStatement SEMICOLON? | describeStatement SEMICOLON?
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| explainStatement SEMICOLON? | useStatement SEMICOLON?| showStatememt SEMICOLON?
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| loadStatement SEMICOLON?| unloadStatememt SEMICOLON?| setStatememt SEMICOLON?
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| resetStatememt SEMICOLON?| jarStatememt SEMICOLON?| dtAddStatement SEMICOLON?
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;
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emptyStatement
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: SEMICOLON
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;
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ddlStatement
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: createTable | createDatabase | createView | createFunction | createCatalog
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| alterTable | alertView | alterDatabase | alterFunction
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| dropCatalog | dropTable | dropDatabase | dropView | dropFunction
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;
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dmlStatement
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: queryStatement | insertStatement
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;
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// some statemen
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describeStatement
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: (KW_DESCRIBE | KW_DESC) tablePath
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;
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explainStatement
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: KW_EXPLAIN (explainDetails | KW_PLAN KW_FOR)? (dmlStatement | insertSimpleStatement | insertMulStatement)
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;
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explainDetails
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: explainDetail (COMMA explainDetail)*
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;
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explainDetail
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: KW_CHANGELOG_MODE | KW_JSON_EXECUTION_PLAN | KW_ESTIMATED_COST
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;
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useStatement
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: KW_USE KW_CATALOG catalogPath
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| KW_USE databasePath
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| useModuleStatement
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;
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useModuleStatement
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: KW_USE KW_MODULES uid (COMMA uid)*
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;
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showStatememt
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: KW_SHOW (KW_CATALOGS | KW_DATABASES | KW_VIEWS | KW_JARS)
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| KW_SHOW KW_CURRENT (KW_CATALOG | KW_DATABASE)
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| KW_SHOW KW_TABLES (( KW_FROM | KW_IN ) tablePath)? likePredicate?
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| KW_SHOW KW_COLUMNS ( KW_FROM | KW_IN ) uid likePredicate?
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| KW_SHOW KW_CREATE (KW_TABLE | KW_VIEW) uid
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| KW_SHOW KW_USER? KW_FUNCTIONS
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| KW_SHOW KW_FULL? KW_MODULES
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;
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loadStatement
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: KW_LOAD KW_MODULE uid (KW_WITH tablePropertyList)?
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;
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unloadStatememt
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: KW_UNLOAD KW_MODULE uid
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;
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setStatememt
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: KW_SET (tableProperty)?
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;
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resetStatememt
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: KW_RESET tablePropertyKey?
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;
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jarStatememt
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: (KW_ADD | KW_REMOVE) KW_JAR jarFileName
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;
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// 数栈平台自研的添加文件语法
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dtAddStatement
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: KW_ADD KW_JAR KW_WITH dtFilePath (KW_AS uid)?
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| KW_ADD KW_FILE KW_WITH dtFilePath (KW_AS uid)? (KW_RENAME uid)?
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| KW_ADD (KW_PYTHON_FILES | KW_PYTHON_REQUIREMENTS | KW_PYTHON_DEPENDENCIES | KW_PYTHON_JAR | KW_PYTHON_ARCHIVES) KW_WITH dtFilePath KW_RENAME uid
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| KW_ADD KW_PYTHON_PARAMETER dtFilePath
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| KW_ADD KW_ENGINE KW_FILE KW_WITH dtFilePath KW_RENAME uid KW_KEY uid
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| KW_ADD KW_CONFIG KW_FILE KW_WITH dtFilePath KW_FOR uid KW_AS uid
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;
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dtFilePath
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: SLASH_TEXT+
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;
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// Create statements
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createTable
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: (simpleCreateTable | createTableAsSelect)
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;
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simpleCreateTable
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: KW_CREATE KW_TEMPORARY? KW_TABLE ifNotExists? tablePathCreate
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LR_BRACKET
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columnOptionDefinition (COMMA columnOptionDefinition)*
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(COMMA watermarkDefinition)?
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(COMMA tableConstraint)?
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(COMMA selfDefinitionClause)?
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RR_BRACKET
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commentSpec?
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partitionDefinition?
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withOption
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likeDefinition?
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;
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/*
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* 详见 https://nightlies.apache.org/flink/flink-docs-release-1.16/docs/dev/table/sql/create/#as-select_statement
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* CTAS 不支持指定显示指定列，不支持创建分区表，临时表
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*/
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createTableAsSelect
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: KW_CREATE KW_TABLE ifNotExists? tablePathCreate withOption (KW_AS queryStatement)?
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;
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columnOptionDefinition
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: physicalColumnDefinition
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| metadataColumnDefinition
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| computedColumnDefinition
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;
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physicalColumnDefinition
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: columnName columnType columnConstraint? commentSpec?
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;
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columnName
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: uid | expression
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;
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columnNameList
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: LR_BRACKET columnName (',' columnName)* RR_BRACKET
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;
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columnType
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: typeName=(KW_DATE | KW_BOOLEAN | KW_NULL)
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| typeName=(KW_CHAR | KW_VARCHAR | KW_STRING | KW_BINARY | KW_VARBINARY | KW_BYTES
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| KW_TINYINT | KW_SMALLINT |KW_INT | KW_INTEGER | KW_BIGINT
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| KW_TIME | KW_TIMESTAMP_LTZ | KW_DATETIME
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) lengthOneDimension?
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| typeName=KW_TIMESTAMP lengthOneDimension? ((KW_WITHOUT | KW_WITH) KW_LOCAL? KW_TIME KW_ZONE)?
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| typeName=(KW_DECIMAL | KW_DEC | KW_NUMERIC | KW_FLOAT | KW_DOUBLE) lengthTwoOptionalDimension?
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| type=(KW_ARRAY | KW_MULTISET) lengthOneTypeDimension?
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| type=KW_MAP mapTypeDimension?
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| type=KW_ROW rowTypeDimension?
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| type=KW_RAW lengthTwoStringDimension?
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;
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lengthOneDimension
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: '(' decimalLiteral ')'
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;
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lengthTwoOptionalDimension
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: '(' decimalLiteral (',' decimalLiteral)? ')'
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;
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lengthTwoStringDimension
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: '(' stringLiteral (',' stringLiteral)? ')'
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;
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lengthOneTypeDimension
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: LESS_SYMBOL columnType GREATER_SYMBOL
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;
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mapTypeDimension
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: LESS_SYMBOL columnType (COMMA columnType) GREATER_SYMBOL
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;
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rowTypeDimension
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: LESS_SYMBOL columnName columnType (COMMA columnName columnType)* GREATER_SYMBOL
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;
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columnConstraint
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:(KW_CONSTRAINT constraintName)? KW_PRIMARY KW_KEY (KW_NOT KW_ENFORCED)? | KW_NOT? KW_NULL
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;
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commentSpec
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: KW_COMMENT STRING_LITERAL
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;
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metadataColumnDefinition
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: columnName columnType KW_METADATA (KW_FROM metadataKey)? KW_VIRTUAL?
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;
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metadataKey
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: STRING_LITERAL
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;
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computedColumnDefinition
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: columnName KW_AS computedColumnExpression commentSpec?
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;
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// 计算表达式
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computedColumnExpression
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: expression
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;
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watermarkDefinition
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: KW_WATERMARK KW_FOR expression KW_AS expression
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;
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tableConstraint
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: (KW_CONSTRAINT constraintName)? KW_PRIMARY KW_KEY columnNameList KW_NOT KW_ENFORCED
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;
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constraintName
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: identifier
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;
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selfDefinitionClause // 数栈自定义语句 ‘PERIOD KW_FOR SYSTEM_TIME’
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: KW_PERIOD KW_FOR KW_SYSTEM_TIME
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;
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partitionDefinition
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: KW_PARTITIONED KW_BY transformList
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;
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transformList
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: '(' transform (',' transform)* ')'
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;
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transform
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: qualifiedName #identityTransform
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| transformName=identifier
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'(' transformArgument (',' transformArgument)* ')' #applyTransform
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;
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transformArgument
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: qualifiedName
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| constant
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;
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likeDefinition
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: KW_LIKE tablePath (LR_BRACKET likeOption* RR_BRACKET)?
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;
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likeOption
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: ((KW_INCLUDING | KW_EXCLUDING) (KW_ALL | KW_CONSTRAINTS | KW_PARTITIONS))
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| ((KW_INCLUDING | KW_EXCLUDING | KW_OVERWRITING) (KW_GENERATED | KW_OPTIONS | KW_WATERMARKS))
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;
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createCatalog
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: KW_CREATE KW_CATALOG uid withOption
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;
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createDatabase
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: KW_CREATE KW_DATABASE ifNotExists? databasePathCreate commentSpec? withOption
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;
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createView
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: KW_CREATE KW_TEMPORARY? KW_VIEW ifNotExists? uid columnNameList? commentSpec? KW_AS queryStatement
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;
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createFunction
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: KW_CREATE (KW_TEMPORARY|KW_TEMPORARY KW_SYSTEM)? KW_FUNCTION ifNotExists? functionName KW_AS identifier (KW_LANGUAGE (KW_JAVA|KW_SCALA|KW_PYTHON))? usingClause?
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;
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usingClause
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: KW_USING KW_JAR jarFileName (COMMA KW_JAR jarFileName)*
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;
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jarFileName
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: STRING_LITERAL
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;
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// Alter statements
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// Just for simple alter table statements,
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// it only includes rename, set key, add constraint, drop constraint, add unique
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alterTable
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: KW_ALTER KW_TABLE ifExists? tablePath (renameDefinition | setKeyValueDefinition | addConstraint | dropConstraint | addUnique)
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;
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renameDefinition
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: KW_RENAME uid? KW_TO uid
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;
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setKeyValueDefinition
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: KW_SET tablePropertyList
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;
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addConstraint
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: KW_ADD KW_CONSTRAINT constraintName KW_PRIMARY KW_KEY columnNameList notForced?
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;
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dropConstraint
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: KW_DROP KW_CONSTRAINT constraintName
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;
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addUnique
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: KW_ADD KW_UNIQUE columnNameList
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;
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notForced
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: KW_NOT KW_ENFORCED
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;
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alertView
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: KW_ALTER KW_VIEW uid (renameDefinition | KW_AS queryStatement)
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;
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alterDatabase
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: KW_ALTER KW_DATABASE databasePath setKeyValueDefinition
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;
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alterFunction
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: KW_ALTER (KW_TEMPORARY|KW_TEMPORARY KW_SYSTEM)? KW_FUNCTION ifExists? uid KW_AS identifier (KW_LANGUAGE (KW_JAVA|KW_SCALA|KW_PYTHON))?
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;
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// Drop statements
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dropCatalog
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: KW_DROP KW_CATALOG ifExists? catalogPath
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;
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dropTable
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: KW_DROP KW_TEMPORARY? KW_TABLE ifExists? tablePath
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;
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dropDatabase
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: KW_DROP KW_DATABASE ifExists? databasePath dropType=(KW_RESTRICT | KW_CASCADE)?
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;
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dropView
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: KW_DROP KW_TEMPORARY? KW_VIEW ifExists? uid
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;
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dropFunction
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: KW_DROP (KW_TEMPORARY|KW_TEMPORARY KW_SYSTEM)? KW_FUNCTION ifExists? functionName
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;
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// Insert statements
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insertStatement
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: (KW_EXECUTE? insertSimpleStatement)
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| insertMulStatementCompatibility | (KW_EXECUTE insertMulStatement)
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;
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insertSimpleStatement
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: KW_INSERT (KW_INTO | KW_OVERWRITE) tablePath
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(
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insertPartitionDefinition? columnNameList? queryStatement
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| valuesDefinition
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)
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;
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insertPartitionDefinition
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: KW_PARTITION tablePropertyList
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;
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valuesDefinition
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: KW_VALUES valuesRowDefinition (COMMA valuesRowDefinition)*
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;
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valuesRowDefinition
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: LR_BRACKET
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constant (COMMA constant)*
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RR_BRACKET
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;
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insertMulStatementCompatibility
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: KW_BEGIN KW_STATEMENT KW_SET SEMICOLON (insertSimpleStatement SEMICOLON)+ KW_END
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;
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insertMulStatement
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: KW_STATEMENT KW_SET KW_BEGIN (insertSimpleStatement SEMICOLON)+ KW_END
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||
;
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// Select statements
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queryStatement
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: valuesCaluse
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| withClause queryStatement
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| '(' queryStatement ')'
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| left=queryStatement operator=(KW_INTERSECT | KW_UNION | KW_EXCEPT) KW_ALL? right=queryStatement orderByCaluse? limitClause?
|
||
| selectClause orderByCaluse? limitClause?
|
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| selectStatement orderByCaluse? limitClause?
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||
;
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valuesCaluse
|
||
: KW_VALUES expression (COMMA expression )*
|
||
;
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||
withClause
|
||
: KW_WITH withItem (COMMA withItem)*
|
||
;
|
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withItem
|
||
: withItemName (LR_BRACKET columnName (COMMA columnName)* RR_BRACKET)? KW_AS LR_BRACKET queryStatement RR_BRACKET
|
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;
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withItemName
|
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: identifier
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;
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selectStatement
|
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: selectClause fromClause whereClause? groupByClause? havingClause? windowClause?
|
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| selectClause fromClause matchRecognizeClause
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;
|
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selectClause
|
||
: KW_SELECT setQuantifier? (ASTERISK_SIGN | projectItemDefinition (COMMA projectItemDefinition)*)
|
||
;
|
||
|
||
projectItemDefinition
|
||
: overWindowItem
|
||
| expression (KW_AS? expression)?
|
||
;
|
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|
||
overWindowItem
|
||
: primaryExpression KW_OVER windowSpec KW_AS identifier
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||
| primaryExpression KW_OVER errorCapturingIdentifier KW_AS identifier
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||
;
|
||
|
||
fromClause
|
||
: KW_FROM tableExpression
|
||
;
|
||
|
||
tableExpression
|
||
: tableReference (COMMA tableReference)*
|
||
| tableExpression KW_NATURAL? (KW_LEFT | KW_RIGHT | KW_FULL | KW_INNER)? KW_OUTER? KW_JOIN tableExpression joinCondition?
|
||
| tableExpression KW_CROSS KW_JOIN tableExpression
|
||
| inlineDataValueClause
|
||
| windoTVFClause
|
||
;
|
||
|
||
tableReference
|
||
: tablePrimary tableAlias?
|
||
;
|
||
|
||
tablePrimary
|
||
: KW_TABLE? tablePath systemTimePeriod? (KW_AS? correlationName)?
|
||
| KW_LATERAL KW_TABLE LR_BRACKET functionName LR_BRACKET functionParam (COMMA functionParam)* RR_BRACKET RR_BRACKET
|
||
| KW_LATERAL? LR_BRACKET queryStatement RR_BRACKET
|
||
| KW_UNNEST LR_BRACKET expression RR_BRACKET
|
||
;
|
||
|
||
|
||
|
||
systemTimePeriod
|
||
: KW_FOR KW_SYSTEM_TIME KW_AS KW_OF dateTimeExpression
|
||
;
|
||
|
||
dateTimeExpression
|
||
: expression
|
||
;
|
||
|
||
inlineDataValueClause
|
||
: LR_BRACKET valuesDefinition RR_BRACKET tableAlias
|
||
;
|
||
|
||
windoTVFClause
|
||
: KW_TABLE LR_BRACKET windowTVFExression RR_BRACKET
|
||
;
|
||
|
||
windowTVFExression
|
||
: windoTVFName LR_BRACKET windowTVFParam (COMMA windowTVFParam)* RR_BRACKET
|
||
;
|
||
|
||
windoTVFName
|
||
: KW_TUMBLE
|
||
| KW_HOP
|
||
| KW_CUMULATE
|
||
;
|
||
|
||
windowTVFParam
|
||
: KW_TABLE timeAttrColumn
|
||
| columnDescriptor
|
||
| timeIntervalExpression
|
||
| KW_DATA DOUBLE_RIGHT_ARROW KW_TABLE timeAttrColumn
|
||
| KW_TIMECOL DOUBLE_RIGHT_ARROW columnDescriptor
|
||
| timeIntervalParamName DOUBLE_RIGHT_ARROW timeIntervalExpression
|
||
;
|
||
|
||
timeIntervalParamName
|
||
: KW_DATA
|
||
| KW_TIMECOL
|
||
| KW_SIZE
|
||
| KW_OFFSET
|
||
| KW_STEP
|
||
| KW_SLIDE
|
||
;
|
||
|
||
columnDescriptor
|
||
: KW_DESCRIPTOR LR_BRACKET uid RR_BRACKET
|
||
;
|
||
|
||
joinCondition
|
||
: KW_ON booleanExpression
|
||
| KW_USING LR_BRACKET uid (COMMA uid)* RR_BRACKET
|
||
;
|
||
|
||
whereClause
|
||
: KW_WHERE booleanExpression
|
||
;
|
||
|
||
groupByClause
|
||
: KW_GROUP KW_BY groupItemDefinition (COMMA groupItemDefinition)*
|
||
;
|
||
|
||
groupItemDefinition
|
||
: expression
|
||
| groupWindowFunction
|
||
| LR_BRACKET RR_BRACKET
|
||
| LR_BRACKET expression (COMMA expression)* RR_BRACKET
|
||
| groupingSetsNotaionName LR_BRACKET expression (COMMA expression)* RR_BRACKET
|
||
| groupingSets LR_BRACKET groupItemDefinition (COMMA groupItemDefinition)* RR_BRACKET
|
||
;
|
||
|
||
groupingSets
|
||
: KW_GROUPING KW_SETS
|
||
;
|
||
|
||
groupingSetsNotaionName
|
||
: KW_CUBE
|
||
| KW_ROLLUP
|
||
;
|
||
|
||
groupWindowFunction
|
||
: groupWindowFunctionName LR_BRACKET timeAttrColumn COMMA timeIntervalExpression RR_BRACKET
|
||
;
|
||
|
||
groupWindowFunctionName
|
||
: KW_TUMBLE
|
||
| KW_HOP
|
||
| KW_SESSION
|
||
;
|
||
|
||
timeAttrColumn
|
||
: uid
|
||
;
|
||
|
||
havingClause
|
||
: KW_HAVING booleanExpression
|
||
;
|
||
|
||
windowClause
|
||
: KW_WINDOW namedWindow (',' namedWindow)*
|
||
;
|
||
|
||
namedWindow
|
||
: name=errorCapturingIdentifier KW_AS windowSpec
|
||
;
|
||
|
||
windowSpec
|
||
: name=errorCapturingIdentifier?
|
||
LR_BRACKET
|
||
partitionByClause?
|
||
orderByCaluse?
|
||
windowFrame?
|
||
RR_BRACKET
|
||
;
|
||
|
||
matchRecognizeClause
|
||
: KW_MATCH_RECOGNIZE
|
||
LR_BRACKET
|
||
partitionByClause?
|
||
orderByCaluse?
|
||
measuresClause?
|
||
outputMode?
|
||
afterMatchStrategy?
|
||
patternDefination?
|
||
patternVariablesDefination
|
||
RR_BRACKET ( KW_AS? identifier )?
|
||
;
|
||
|
||
orderByCaluse
|
||
: KW_ORDER KW_BY orderItemDefition (COMMA orderItemDefition)*
|
||
;
|
||
|
||
orderItemDefition
|
||
: expression ordering=(KW_ASC | KW_DESC)? (KW_NULLS nullOrder=(KW_LAST | KW_FIRST))?
|
||
;
|
||
|
||
limitClause
|
||
: KW_LIMIT (KW_ALL | limit=expression)
|
||
;
|
||
|
||
partitionByClause
|
||
: KW_PARTITION KW_BY expression (COMMA expression)*
|
||
;
|
||
|
||
quantifiers
|
||
: (ASTERISK_SIGN)
|
||
| (ADD_SIGN)
|
||
| (QUESTION_MARK_SIGN)
|
||
| (LB_BRACKET DIG_LITERAL COMMA DIG_LITERAL RB_BRACKET)
|
||
| (LB_BRACKET DIG_LITERAL COMMA RB_BRACKET)
|
||
| (LB_BRACKET COMMA DIG_LITERAL RB_BRACKET)
|
||
;
|
||
|
||
measuresClause
|
||
: KW_MEASURES projectItemDefinition (COMMA projectItemDefinition)*
|
||
;
|
||
|
||
patternDefination
|
||
: KW_PATTERN
|
||
LR_BRACKET
|
||
patternVariable+
|
||
RR_BRACKET
|
||
withinClause?
|
||
;
|
||
|
||
patternVariable
|
||
: unquotedIdentifier quantifiers?
|
||
;
|
||
|
||
outputMode
|
||
: KW_ALL KW_ROWS KW_PER KW_MATCH
|
||
| KW_ONE KW_ROW KW_PER KW_MATCH
|
||
;
|
||
|
||
afterMatchStrategy
|
||
: KW_AFTER KW_MATCH KW_SKIP KW_PAST KW_LAST KW_ROW
|
||
| KW_AFTER KW_MATCH KW_SKIP KW_TO KW_NEXT KW_ROW
|
||
| KW_AFTER KW_MATCH KW_SKIP KW_TO KW_LAST unquotedIdentifier
|
||
| KW_AFTER KW_MATCH KW_SKIP KW_TO KW_FIRST unquotedIdentifier
|
||
;
|
||
|
||
patternVariablesDefination
|
||
: KW_DEFINE projectItemDefinition (COMMA projectItemDefinition)*
|
||
;
|
||
|
||
windowFrame
|
||
: KW_RANGE KW_BETWEEN timeIntervalExpression frameBound
|
||
| KW_ROWS KW_BETWEEN DIG_LITERAL frameBound
|
||
;
|
||
|
||
frameBound
|
||
: KW_PRECEDING KW_AND KW_CURRENT KW_ROW
|
||
;
|
||
|
||
withinClause
|
||
: KW_WITHIN timeIntervalExpression
|
||
;
|
||
|
||
|
||
// expression
|
||
|
||
expression
|
||
: booleanExpression
|
||
;
|
||
|
||
booleanExpression
|
||
: KW_NOT booleanExpression #logicalNot
|
||
| KW_EXISTS '(' queryStatement ')' #exists
|
||
| valueExpression predicate? #predicated
|
||
| left=booleanExpression operator=KW_AND right=booleanExpression #logicalBinary
|
||
| left=booleanExpression operator=KW_OR right=booleanExpression #logicalBinary
|
||
| booleanExpression KW_IS KW_NOT? kind=(KW_TRUE | KW_FALSE | KW_UNKNOWN | KW_NULL) #logicalNested
|
||
;
|
||
|
||
predicate
|
||
: KW_NOT?
|
||
kind=KW_BETWEEN (KW_ASYMMETRIC | KW_SYMMETRIC)?
|
||
lower=valueExpression KW_AND
|
||
upper=valueExpression
|
||
| KW_NOT? kind=KW_IN '(' expression (',' expression)* ')'
|
||
| KW_NOT? kind=KW_IN '(' queryStatement ')'
|
||
| kind=KW_EXISTS '(' queryStatement ')'
|
||
| KW_NOT? kind=KW_RLIKE pattern=valueExpression
|
||
| likePredicate
|
||
| KW_IS KW_NOT? kind=(KW_TRUE | KW_FALSE | KW_UNKNOWN | KW_NULL)
|
||
| KW_IS KW_NOT? kind=KW_DISTINCT KW_FROM right=valueExpression
|
||
| KW_NOT? kind=KW_SIMILAR KW_TO right=valueExpression (KW_ESCAPE stringLiteral)?
|
||
;
|
||
|
||
likePredicate
|
||
: KW_NOT? kind=KW_LIKE quantifier=(KW_ANY | KW_ALL) ('('')' | '(' expression (',' expression)* ')')
|
||
| KW_NOT? kind=KW_LIKE pattern=valueExpression (KW_ESCAPE stringLiteral)?
|
||
;
|
||
|
||
valueExpression
|
||
: primaryExpression #valueExpressionDefault
|
||
| operator=('-' | '+' | '~') valueExpression #arithmeticUnary
|
||
| left=valueExpression operator=('*' | '/' | '%' | KW_DIV) right=valueExpression #arithmeticBinary
|
||
| left=valueExpression operator=('+' | '-' | DOUBLE_VERTICAL_SIGN) right=valueExpression #arithmeticBinary
|
||
| left=valueExpression operator='&' right=valueExpression #arithmeticBinary
|
||
| left=valueExpression operator='^' right=valueExpression #arithmeticBinary
|
||
| left=valueExpression operator='|' right=valueExpression #arithmeticBinary
|
||
| left=valueExpression comparisonOperator right=valueExpression #comparison
|
||
| left=valueExpression right=SLASH_TEXT #arithmeticBinaryAlternate
|
||
;
|
||
|
||
primaryExpression
|
||
: KW_CASE whenClause+ (KW_ELSE elseExpression=expression)? KW_END #searchedCase
|
||
| KW_CASE value=expression whenClause+ (KW_ELSE elseExpression=expression)? KW_END #simpleCase
|
||
| KW_CAST '(' expression KW_AS columnType ')' #cast
|
||
// | STRUCT '(' (argument+=namedExpression (',' argument+=namedExpression)*)? ')' #struct
|
||
| KW_FIRST '(' expression (KW_IGNORE KW_NULLS)? ')' #first
|
||
| KW_LAST '(' expression (KW_IGNORE KW_NULLS)? ')' #last
|
||
| KW_POSITION '(' substr=valueExpression KW_IN str=valueExpression ')' #position
|
||
| constant #constantDefault
|
||
| '*' #star
|
||
| uid '.' '*' #star
|
||
// | '(' namedExpression (',' namedExpression)+ ')' #rowConstructor
|
||
| '(' queryStatement ')' #subqueryExpression
|
||
| functionName '(' (setQuantifier? functionParam (',' functionParam)*)? ')' #functionCall
|
||
// | identifier '->' expression #lambda
|
||
// | '(' identifier (',' identifier)+ ')' '->' expression #lambda
|
||
| value=primaryExpression LS_BRACKET index=valueExpression RS_BRACKET #subscript
|
||
| identifier #columnReference
|
||
| dereferenceDefinition #dereference
|
||
| '(' expression ')' #parenthesizedExpression
|
||
// | EXTRACT '(' field=identifier KW_FROM source=valueExpression ')' #extract
|
||
// | (SUBSTR | SUBSTRING) '(' str=valueExpression (KW_FROM | ',') pos=valueExpression
|
||
// ((KW_FOR | ',') len=valueExpression)? ')' #substring
|
||
// | TRIM '(' trimOption=(BOTH | LEADING | TRAILING)? (trimStr=valueExpression)?
|
||
// KW_FROM srcStr=valueExpression ')' #trim
|
||
// | OVERLAY '(' input=valueExpression PLACING replace=valueExpression
|
||
// KW_FROM position=valueExpression (KW_FOR length=valueExpression)? ')' #overlay
|
||
;
|
||
|
||
functionName
|
||
: reservedKeywordsUsedAsFuncName
|
||
| nonReservedKeywords
|
||
| uid
|
||
;
|
||
|
||
functionParam
|
||
: reservedKeywordsUsedAsFuncParam
|
||
| timeIntervalUnit
|
||
| timePointUnit
|
||
| expression
|
||
;
|
||
|
||
dereferenceDefinition
|
||
: uid
|
||
;
|
||
|
||
// base common
|
||
|
||
correlationName
|
||
: identifier
|
||
;
|
||
|
||
qualifiedName
|
||
: identifier | dereferenceDefinition
|
||
;
|
||
|
||
timeIntervalExpression
|
||
: KW_INTERVAL (errorCapturingMultiUnitsInterval | errorCapturingUnitToUnitInterval)?
|
||
;
|
||
|
||
errorCapturingMultiUnitsInterval
|
||
: multiUnitsInterval unitToUnitInterval?
|
||
;
|
||
|
||
multiUnitsInterval
|
||
: (intervalValue timeIntervalUnit)+
|
||
;
|
||
|
||
errorCapturingUnitToUnitInterval
|
||
: body=unitToUnitInterval (error1=multiUnitsInterval | error2=unitToUnitInterval)?
|
||
;
|
||
|
||
unitToUnitInterval
|
||
: value=intervalValue from=timeIntervalUnit KW_TO to=timeIntervalUnit
|
||
;
|
||
|
||
intervalValue
|
||
: ('+' | '-')? (DIG_LITERAL | REAL_LITERAL)
|
||
| STRING_LITERAL
|
||
;
|
||
|
||
columnAlias
|
||
: KW_AS? identifier identifierList?
|
||
;
|
||
|
||
tableAlias
|
||
: KW_AS? identifier identifierList?
|
||
;
|
||
|
||
errorCapturingIdentifier
|
||
: identifier errorCapturingIdentifierExtra
|
||
;
|
||
|
||
errorCapturingIdentifierExtra
|
||
: (KW_MINUS identifier)+ #errorIdent
|
||
| #realIdent
|
||
;
|
||
|
||
identifierList
|
||
: '(' identifierSeq ')'
|
||
;
|
||
|
||
identifierSeq
|
||
: identifier (COMMA identifier)*
|
||
;
|
||
|
||
identifier
|
||
: unquotedIdentifier #unquotedIdentifierAlternative
|
||
| quotedIdentifier #quotedIdentifierAlternative
|
||
| nonReservedKeywords #nonReservedKeywordsAlternative
|
||
;
|
||
|
||
unquotedIdentifier
|
||
: DIG_LITERAL | ID_LITERAL
|
||
;
|
||
|
||
quotedIdentifier
|
||
: STRING_LITERAL
|
||
;
|
||
|
||
whenClause
|
||
: KW_WHEN condition=expression KW_THEN result=expression
|
||
;
|
||
|
||
catalogPath
|
||
: uid
|
||
;
|
||
|
||
databasePath
|
||
: uid
|
||
;
|
||
|
||
databasePathCreate
|
||
: uid
|
||
;
|
||
|
||
tablePathCreate
|
||
: uid
|
||
;
|
||
|
||
tablePath
|
||
: uid
|
||
;
|
||
|
||
uid
|
||
: identifier (DOT identifier)*?
|
||
;
|
||
|
||
withOption
|
||
: KW_WITH tablePropertyList
|
||
;
|
||
|
||
ifNotExists
|
||
: KW_IF KW_NOT KW_EXISTS;
|
||
|
||
ifExists
|
||
: KW_IF KW_EXISTS;
|
||
|
||
tablePropertyList
|
||
: '(' tableProperty (',' tableProperty)* ')'
|
||
;
|
||
|
||
tableProperty
|
||
: key=tablePropertyKey (EQUAL_SYMBOL? value=tablePropertyValue)?
|
||
;
|
||
|
||
tablePropertyKey
|
||
: identifier | dereferenceDefinition
|
||
| STRING_LITERAL
|
||
;
|
||
|
||
tablePropertyValue
|
||
: DIG_LITERAL
|
||
| REAL_LITERAL
|
||
| booleanLiteral
|
||
| STRING_LITERAL
|
||
;
|
||
|
||
logicalOperator
|
||
: KW_AND
|
||
| '&' '&'
|
||
| KW_OR
|
||
| '|' '|'
|
||
;
|
||
|
||
comparisonOperator
|
||
: '='
|
||
| '>'
|
||
| '<'
|
||
| '<' '='
|
||
| '>' '='
|
||
| '<' '>'
|
||
| '!' '='
|
||
| '<' '=' '>'
|
||
;
|
||
|
||
bitOperator
|
||
: '<' '<'
|
||
| '>' '>'
|
||
| '&'
|
||
| '^'
|
||
| '|'
|
||
;
|
||
|
||
mathOperator
|
||
: '*'
|
||
| SLASH_SIGN
|
||
| PENCENT_SIGN
|
||
| KW_DIV
|
||
| '+'
|
||
| '-'
|
||
| DOUBLE_HYPNEN_SIGN
|
||
;
|
||
|
||
unaryOperator
|
||
: '!'
|
||
| '~'
|
||
| ADD_SIGN
|
||
| '-'
|
||
| KW_NOT
|
||
;
|
||
|
||
constant
|
||
: timeIntervalExpression
|
||
| timePointLiteral
|
||
| stringLiteral // 引号包含的字符串
|
||
| HYPNEN_SIGN? decimalLiteral // 正/负整数
|
||
| booleanLiteral // 布尔值
|
||
| REAL_LITERAL // 小数
|
||
| BIT_STRING
|
||
| KW_NOT? KW_NULL // 空 | 非空
|
||
;
|
||
|
||
timePointLiteral
|
||
: timePointUnit stringLiteral
|
||
;
|
||
|
||
stringLiteral
|
||
: STRING_LITERAL
|
||
;
|
||
|
||
decimalLiteral
|
||
: DIG_LITERAL
|
||
;
|
||
|
||
booleanLiteral
|
||
: KW_TRUE | KW_FALSE;
|
||
|
||
setQuantifier
|
||
: KW_DISTINCT
|
||
| KW_ALL
|
||
;
|
||
|
||
timePointUnit
|
||
: KW_YEAR
|
||
| KW_QUARTER
|
||
| KW_MONTH
|
||
| KW_WEEK
|
||
| KW_DAY
|
||
| KW_HOUR
|
||
| KW_MINUTE
|
||
| KW_SECOND
|
||
| KW_MILLISECOND
|
||
| KW_MICROSECOND
|
||
;
|
||
|
||
timeIntervalUnit
|
||
: KW_MILLENNIUM
|
||
| KW_CENTURY
|
||
| KW_DECADE
|
||
| KW_YEAR
|
||
| KW_YEARS
|
||
| KW_QUARTER
|
||
| KW_MONTH
|
||
| KW_MONTHS
|
||
| KW_WEEK
|
||
| KW_WEEKS
|
||
| KW_DAY
|
||
| KW_DAYS
|
||
| KW_HOUR
|
||
| KW_HOURS
|
||
| KW_MINUTE
|
||
| KW_MINUTES
|
||
| KW_SECOND
|
||
| KW_SECONDS
|
||
| KW_MILLISECOND
|
||
| KW_MICROSECOND
|
||
| KW_NANOSECOND
|
||
| KW_EPOCH
|
||
;
|
||
|
||
reservedKeywordsUsedAsFuncParam
|
||
: KW_LEADING
|
||
| KW_TRAILING
|
||
| KW_BOTH
|
||
| KW_ALL
|
||
| KW_DISTINCT
|
||
| ASTERISK_SIGN
|
||
;
|
||
|
||
reservedKeywordsUsedAsFuncName
|
||
: KW_ABS
|
||
| KW_ARRAY
|
||
| KW_AVG
|
||
| KW_CAST
|
||
| KW_CEIL
|
||
| KW_COALESCE
|
||
| KW_COLLECT
|
||
| KW_COUNT
|
||
| KW_DATE
|
||
| KW_GROUPING
|
||
| KW_HOUR
|
||
| KW_IF
|
||
| KW_LAG
|
||
| KW_LEFT
|
||
| KW_MAP
|
||
| KW_MINUTE
|
||
| KW_MONTH
|
||
| KW_OVERLAY
|
||
| KW_POSITION
|
||
| KW_POWER
|
||
| KW_QUARTER
|
||
| KW_ROW
|
||
| KW_ROWS
|
||
| KW_RANK
|
||
| KW_RIGHT
|
||
| KW_SECOND
|
||
| KW_SUBSTRING
|
||
| KW_SUM
|
||
| KW_TIME
|
||
| KW_TIMESTAMP
|
||
| KW_TRUNCATE
|
||
| KW_UPPER
|
||
| KW_WEEK
|
||
| KW_YEAR
|
||
;
|
||
|
||
reservedKeywords
|
||
: KW_ABS
|
||
| KW_ALL
|
||
| KW_ALLOW
|
||
| KW_ALTER
|
||
| KW_AND
|
||
| KW_ANY
|
||
| KW_ARE
|
||
| KW_ARRAY
|
||
| KW_AS
|
||
| KW_ASYMMETRIC
|
||
| KW_AT
|
||
| KW_AVG
|
||
| KW_BEGIN
|
||
| KW_BETWEEN
|
||
| KW_BIGINT
|
||
| KW_BINARY
|
||
| KW_BIT
|
||
| KW_BLOB
|
||
| KW_BOOLEAN
|
||
| KW_BOTH
|
||
| KW_BY
|
||
| KW_CALL
|
||
| KW_CALLED
|
||
| KW_CASCADED
|
||
| KW_CASE
|
||
| KW_CAST
|
||
| KW_CEIL
|
||
| KW_CHAR
|
||
| KW_CHARACTER
|
||
| KW_CHECK
|
||
| KW_CLOB
|
||
| KW_CLOSE
|
||
| KW_COALESCE
|
||
| KW_COLLATE
|
||
| KW_COLLECT
|
||
| KW_COLUMN
|
||
| KW_COMMIT
|
||
| KW_CONNECT
|
||
| KW_CONSTRAINT
|
||
| KW_CONTAINS
|
||
| KW_CONVERT
|
||
| KW_COUNT
|
||
| KW_CREATE
|
||
| KW_CROSS
|
||
| KW_CUBE
|
||
| KW_CURRENT
|
||
| KW_CURSOR
|
||
| KW_CYCLE
|
||
| KW_DATE
|
||
| KW_DATETIME
|
||
| KW_DAY
|
||
| KW_DEC
|
||
| KW_DECIMAL
|
||
| KW_DECLARE
|
||
| KW_DEFAULT
|
||
| KW_DEFINE
|
||
| KW_DELETE
|
||
| KW_DESCRIBE
|
||
| KW_DISTINCT
|
||
| KW_DOUBLE
|
||
| KW_DROP
|
||
| KW_EACH
|
||
| KW_ELSE
|
||
| KW_END
|
||
| KW_EQUALS
|
||
| KW_EXCEPT
|
||
| KW_EXECUTE
|
||
| KW_EXISTS
|
||
| KW_EXPLAIN
|
||
| KW_EXTERNAL
|
||
| KW_EXTRACT
|
||
| KW_FALSE
|
||
| KW_FLOAT
|
||
| KW_FOR
|
||
| KW_FROM
|
||
| KW_FULL
|
||
| KW_FUNCTION
|
||
| KW_GLOBAL
|
||
| KW_GRANT
|
||
| KW_GROUP
|
||
| KW_GROUPING
|
||
| KW_GROUPS
|
||
| KW_HAVING
|
||
| KW_HOUR
|
||
| KW_IMPORT
|
||
| KW_IN
|
||
| KW_INCLUDING
|
||
| KW_INNER
|
||
| KW_INOUT
|
||
| KW_INSERT
|
||
| KW_INT
|
||
| KW_INTEGER
|
||
| KW_INTERSECT
|
||
| KW_INTERVAL
|
||
| KW_INTO
|
||
| KW_IS
|
||
| KW_JOIN
|
||
| KW_LAG
|
||
| KW_LANGUAGE
|
||
| KW_LATERAL
|
||
| KW_LEADING
|
||
| KW_LEFT
|
||
| KW_LIKE
|
||
| KW_LIMIT
|
||
| KW_LOCAL
|
||
| KW_MATCH
|
||
| KW_MATCH_RECOGNIZE
|
||
| KW_MEASURES
|
||
| KW_MERGE
|
||
| KW_METADATA
|
||
| KW_MINUS
|
||
| KW_MINUTE
|
||
| KW_MODIFIES
|
||
| KW_MODULE
|
||
| KW_MONTH
|
||
| KW_MULTISET
|
||
| KW_NATURAL
|
||
| KW_NEXT
|
||
| KW_NO
|
||
| KW_NONE
|
||
| KW_NOT
|
||
| KW_NULL
|
||
| KW_NUMERIC
|
||
| KW_OF
|
||
| KW_OFFSET
|
||
| KW_ON
|
||
| KW_ONE
|
||
| KW_OR
|
||
| KW_ORDER
|
||
| KW_OUT
|
||
| KW_OUTER
|
||
| KW_OVER
|
||
| KW_OVERLAY
|
||
| KW_PARTITION
|
||
| KW_PATTERN
|
||
| KW_PER
|
||
| KW_PERCENT
|
||
| KW_PERIOD
|
||
| KW_POSITION
|
||
| KW_PRIMARY
|
||
| KW_RANGE
|
||
| KW_RANK
|
||
| KW_RESET
|
||
| KW_REVOKE
|
||
| KW_RIGHT
|
||
| KW_RLIKE
|
||
| KW_ROLLBACK
|
||
| KW_ROLLUP
|
||
| KW_ROW
|
||
| KW_ROWS
|
||
| KW_SECOND
|
||
| KW_SELECT
|
||
| KW_SET
|
||
| KW_SHOW
|
||
| KW_SIMILAR
|
||
| KW_SKIP
|
||
| KW_SMALLINT
|
||
| KW_START
|
||
| KW_STATIC
|
||
| KW_SUBSTRING
|
||
| KW_SUM
|
||
| KW_SYSTEM_TIME
|
||
| KW_SYSTEM
|
||
| KW_SYSTEM_TIME
|
||
| KW_SYSTEM_USER
|
||
| KW_TABLE
|
||
| KW_TABLESAMPLE
|
||
| KW_THEN
|
||
| KW_TIME
|
||
| KW_TIMESTAMP
|
||
| KW_TINYINT
|
||
| KW_TO
|
||
| KW_TRUE
|
||
| KW_TRUNCATE
|
||
| KW_UNION
|
||
| KW_UNIQUE
|
||
| KW_UNKNOWN
|
||
| KW_UNNEST
|
||
| KW_UPPER
|
||
| KW_UPSERT
|
||
| KW_USER
|
||
| KW_USING
|
||
| KW_VALUE
|
||
| KW_VALUES
|
||
| KW_VARBINARY
|
||
| KW_VARCHAR
|
||
| KW_WHEN
|
||
| KW_WHERE
|
||
| KW_WINDOW
|
||
| KW_WITH
|
||
| KW_WITHIN
|
||
| KW_WITHOUT
|
||
| KW_YEAR
|
||
;
|
||
|
||
nonReservedKeywords
|
||
:KW_ADD
|
||
|KW_ADMIN
|
||
|KW_AFTER
|
||
|KW_ANALYZE
|
||
|KW_ASC
|
||
|KW_BEFORE
|
||
|KW_BYTES
|
||
|KW_CASCADE
|
||
|KW_CATALOG
|
||
|KW_CATALOGS
|
||
|KW_CENTURY
|
||
|KW_CHAIN
|
||
|KW_CHANGELOG_MODE
|
||
|KW_CHARACTERS
|
||
|KW_COMMENT
|
||
|KW_COMPACT
|
||
|KW_COLUMNS
|
||
|KW_CONSTRAINTS
|
||
|KW_CONSTRUCTOR
|
||
|KW_CUMULATE
|
||
|KW_DATA
|
||
|KW_DATABASE
|
||
|KW_DATABASES
|
||
|KW_DAYS
|
||
|KW_DECADE
|
||
|KW_DEFINED
|
||
|KW_DESC
|
||
|KW_DESCRIPTOR
|
||
|KW_DIV
|
||
|KW_ENCODING
|
||
|KW_ENFORCED
|
||
|KW_ENGINE
|
||
|KW_ERROR
|
||
|KW_ESTIMATED_COST
|
||
|KW_EXCEPTION
|
||
|KW_EXCLUDE
|
||
|KW_EXCLUDING
|
||
|KW_EXTENDED
|
||
|KW_FILE
|
||
|KW_FINAL
|
||
|KW_FIRST
|
||
|KW_FOLLOWING
|
||
|KW_FORMAT
|
||
|KW_FORTRAN
|
||
|KW_FOUND
|
||
|KW_FRAC_SECOND
|
||
|KW_FUNCTIONS
|
||
|KW_GENERAL
|
||
|KW_GENERATED
|
||
|KW_GO
|
||
|KW_GOTO
|
||
|KW_GRANTED
|
||
|KW_HOP
|
||
|KW_HOURS
|
||
|KW_IF
|
||
|KW_IGNORE
|
||
|KW_INCREMENT
|
||
|KW_INPUT
|
||
|KW_INVOKER
|
||
|KW_JAR
|
||
|KW_JARS
|
||
|KW_JAVA
|
||
|KW_JSON
|
||
|KW_JSON_EXECUTION_PLAN
|
||
|KW_KEY
|
||
|KW_KEY_MEMBER
|
||
|KW_KEY_TYPE
|
||
|KW_LABEL
|
||
|KW_LAST
|
||
|KW_LENGTH
|
||
|KW_LEVEL
|
||
|KW_LOAD
|
||
|KW_MAP
|
||
|KW_MICROSECOND
|
||
|KW_MILLENNIUM
|
||
|KW_MILLISECOND
|
||
|KW_MINUTES
|
||
|KW_MINVALUE
|
||
|KW_MODIFY
|
||
|KW_MODULES
|
||
|KW_MONTHS
|
||
|KW_NANOSECOND
|
||
|KW_NULLS
|
||
|KW_NUMBER
|
||
|KW_OPTION
|
||
|KW_OPTIONS
|
||
|KW_ORDERING
|
||
|KW_OUTPUT
|
||
|KW_OVERWRITE
|
||
|KW_OVERWRITING
|
||
|KW_PARTITIONED
|
||
|KW_PARTITIONS
|
||
|KW_PASSING
|
||
|KW_PAST
|
||
|KW_PATH
|
||
|KW_PLACING
|
||
|KW_PLAN
|
||
|KW_PRECEDING
|
||
|KW_PRESERVE
|
||
|KW_PRIOR
|
||
|KW_PRIVILEGES
|
||
|KW_PUBLIC
|
||
|KW_PYTHON
|
||
|KW_PYTHON_FILES
|
||
|KW_PYTHON_REQUIREMENTS
|
||
|KW_PYTHON_DEPENDENCIES
|
||
|KW_PYTHON_JAR
|
||
|KW_PYTHON_ARCHIVES
|
||
|KW_PYTHON_PARAMETER
|
||
|KW_QUARTER
|
||
|KW_RAW
|
||
|KW_READ
|
||
|KW_RELATIVE
|
||
|KW_REMOVE
|
||
|KW_RENAME
|
||
|KW_REPLACE
|
||
|KW_RESPECT
|
||
|KW_RESTART
|
||
|KW_RESTRICT
|
||
|KW_ROLE
|
||
|KW_ROW_COUNT
|
||
|KW_SCALA
|
||
|KW_SCALAR
|
||
|KW_SCALE
|
||
|KW_SCHEMA
|
||
|KW_SECONDS
|
||
|KW_SECTION
|
||
|KW_SECURITY
|
||
|KW_SELF
|
||
|KW_SERVER
|
||
|KW_SERVER_NAME
|
||
|KW_SESSION
|
||
|KW_SETS
|
||
|KW_SIMPLE
|
||
|KW_SIZE
|
||
|KW_SLIDE
|
||
|KW_SOURCE
|
||
|KW_SPACE
|
||
|KW_STATE
|
||
|KW_STATEMENT
|
||
|KW_STEP
|
||
|KW_STRING
|
||
|KW_STRUCTURE
|
||
|KW_STYLE
|
||
|KW_TABLES
|
||
|KW_TEMPORARY
|
||
|KW_TIMECOL
|
||
|KW_TIMESTAMP_LTZ
|
||
|KW_TIMESTAMPADD
|
||
|KW_TIMESTAMPDIFF
|
||
|KW_TRANSFORM
|
||
|KW_TUMBLE
|
||
|KW_TYPE
|
||
|KW_UNDER
|
||
|KW_UNLOAD
|
||
|KW_USAGE
|
||
|KW_USE
|
||
|KW_UTF16
|
||
|KW_UTF32
|
||
|KW_UTF8
|
||
|KW_VERSION
|
||
|KW_VIEW
|
||
|KW_VIEWS
|
||
|KW_VIRTUAL
|
||
|KW_WATERMARK
|
||
|KW_WATERMARKS
|
||
|KW_WEEK
|
||
|KW_WORK
|
||
|KW_WRAPPER
|
||
|KW_YEARS
|
||
|KW_ZONE
|
||
; |