refactor: standard naming (#278)

* refactor: rename flinksql to flink

* refactor: rename pgsql to postgresql

* refactor: rename trinosql to trino

* refactor: replace all default exports with named export

* refactor: rename basicParser to basicSQL

* refactor: rename basic-parser-types to types

* refactor: replace arrow func with plain func

test/parser/postgresql/contextCollect/fixtures/common.sql

@@ -0,0 +1,49 @@
+CREATE DATABASE music2
+    LOCALE 'sv_SE.iso885915'
+    ENCODING LATIN9
+    TEMPLATE template0;
+
+CREATE TABLE films_recent AS
+  SELECT films.name, films.startTime FROM films JOIN films2 ON films2.id = films.id WHERE films.startTime >= '2002-01-01';
+
+CREATE TABLE distributors (
+    did     integer,
+    name    varchar(40),
+    CONSTRAINT con1 CHECK (did > 100 AND name <> '')
+);
+
+CREATE FOREIGN TABLE films (
+    code        char(5) NOT NULL,
+    title       varchar(40) NOT NULL,
+    did         integer NOT NULL,
+    date_prod   date,
+    kind        varchar(10),
+    len         interval hour to minute
+)
+SERVER film_server;
+
+CREATE FOREIGN TABLE measurement_y2016m07
+    PARTITION OF measurement FOR VALUES FROM ('2016-07-01') TO ('2016-08-01')
+    SERVER server_07;
+
+CREATE VIEW comedies AS
+    SELECT *
+    FROM films
+    WHERE kind = 'Comedy';
+
+CREATE MATERIALIZED VIEW comedies_mate
+    (column_name1, column_name2) 
+    WITH ( storage_parameter=3, storage_parameter1=4)
+    TABLESPACE tablespace_name
+    AS SELECT * FROM product
+    WITH NO DATA;
+
+WITH RECURSIVE query_name (id) AS (SELECT id FROM table_expression) 
+SELECT DISTINCT ON (col1,col2) random() AS name1 FROM table_expression1 WHERE name1=name1 GROUP BY DISTINCT id;
+
+INSERT INTO insert_films (code, title, did, date_prod, kind)
+    VALUES ('T_601', 'Yojimbo', 106, DEFAULT, 'Drama');
+
+CREATE FUNCTION get_color_note (rainbow) RETURNS text AS
+  'SELECT note FROM my_colors WHERE color = $1'
+  LANGUAGE SQL;