fix: trino validation (#248)

* fix: #246 program does not match standaloneClause

* test: patch unit tests

Author: HaydenOrz

src/grammar/trinosql/TrinoSql.g4

@@ -17,7 +17,6 @@
  * Reference: https://github.com/trinodb/trino/blob/385/core/trino-parser/src/main/antlr4/io/trino/sql/parser/SqlBase.g4
  */
 
-
 // $antlr-format alignTrailingComments true, columnLimit 150, minEmptyLines 1, maxEmptyLinesToKeep 1, reflowComments false, useTab false
 // $antlr-format allowShortRulesOnASingleLine false, allowShortBlocksOnASingleLine true, alignSemicolons hanging, alignColons hanging
 // $antlr-format spaceBeforeAssignmentOperators false, keepEmptyLinesAtTheStartOfBlocks true
@@ -35,7 +34,10 @@ program
 
 statements
     : singleStatement
-    | standaloneExpression
+    ;
+
+standaloneClause
+    : standaloneExpression
     | standalonePathSpecification
     | standaloneType
     | standaloneRowPattern

src/lib/trinosql/TrinoSql.interp

@@ -203,6 +203,7 @@ import { LogicalNotContext } from "./TrinoSqlParser";
 import { LogicalBinaryContext } from "./TrinoSqlParser";
 import { ProgramContext } from "./TrinoSqlParser";
 import { StatementsContext } from "./TrinoSqlParser";
+import { StandaloneClauseContext } from "./TrinoSqlParser";
 import { SingleStatementContext } from "./TrinoSqlParser";
 import { StandaloneExpressionContext } from "./TrinoSqlParser";
 import { StandalonePathSpecificationContext } from "./TrinoSqlParser";
@@ -2912,6 +2913,17 @@ export interface TrinoSqlListener extends ParseTreeListener {
 	 */
 	exitStatements?: (ctx: StatementsContext) => void;
 
+	/**
+	 * Enter a parse tree produced by `TrinoSqlParser.standaloneClause`.
+	 * @param ctx the parse tree
+	 */
+	enterStandaloneClause?: (ctx: StandaloneClauseContext) => void;
+	/**
+	 * Exit a parse tree produced by `TrinoSqlParser.standaloneClause`.
+	 * @param ctx the parse tree
+	 */
+	exitStandaloneClause?: (ctx: StandaloneClauseContext) => void;
+
 	/**
 	 * Enter a parse tree produced by `TrinoSqlParser.singleStatement`.
 	 * @param ctx the parse tree

src/lib/trinosql/TrinoSqlListener.ts

@@ -203,6 +203,7 @@ import { LogicalNotContext } from "./TrinoSqlParser";
 import { LogicalBinaryContext } from "./TrinoSqlParser";
 import { ProgramContext } from "./TrinoSqlParser";
 import { StatementsContext } from "./TrinoSqlParser";
+import { StandaloneClauseContext } from "./TrinoSqlParser";
 import { SingleStatementContext } from "./TrinoSqlParser";
 import { StandaloneExpressionContext } from "./TrinoSqlParser";
 import { StandalonePathSpecificationContext } from "./TrinoSqlParser";
@@ -1917,6 +1918,13 @@ export interface TrinoSqlVisitor<Result> extends ParseTreeVisitor<Result> {
 	 */
 	visitStatements?: (ctx: StatementsContext) => Result;
 
+	/**
+	 * Visit a parse tree produced by `TrinoSqlParser.standaloneClause`.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	visitStandaloneClause?: (ctx: StandaloneClauseContext) => Result;
+
 	/**
 	 * Visit a parse tree produced by `TrinoSqlParser.singleStatement`.
 	 * @param ctx the parse tree

src/lib/trinosql/TrinoSqlParser.ts

@@ -0,0 +1,16 @@
+import { FlinkSQL } from '../../filters';
+
+const randomText = `dhsdansdnkla ndjnsla ndnalks`;
+const unCompleteSQL = `CREATE TABLE`;
+
+describe('Flink SQL validate invalid sql', () => {
+    const parser = new FlinkSQL();
+
+    test('validate random text', () => {
+        expect(parser.validate(randomText).length).not.toBe(0);
+    });
+
+    test('validate unComplete sql', () => {
+        expect(parser.validate(unCompleteSQL).length).not.toBe(0);
+    });
+});

src/lib/trinosql/TrinoSqlVisitor.ts

@@ -0,0 +1,16 @@
+import { HiveSQL } from '../../filters';
+
+const randomText = `dhsdansdnkla ndjnsla ndnalks`;
+const unCompleteSQL = `CREATE TABLE`;
+
+describe('Hive SQL validate invalid sql', () => {
+    const parser = new HiveSQL();
+
+    test('validate random text', () => {
+        expect(parser.validate(randomText).length).not.toBe(0);
+    });
+
+    test('validate unComplete sql', () => {
+        expect(parser.validate(unCompleteSQL).length).not.toBe(0);
+    });
+});

test/parser/flinksql/validateInvalidSql.test.ts

@@ -0,0 +1,16 @@
+import { ImpalaSQL } from '../../filters';
+
+const randomText = `dhsdansdnkla ndjnsla ndnalks`;
+const unCompleteSQL = `CREATE TABLE`;
+
+describe('Impala SQL validate invalid sql', () => {
+    const parser = new ImpalaSQL();
+
+    test('validate random text', () => {
+        expect(parser.validate(randomText).length).not.toBe(0);
+    });
+
+    test('validate unComplete sql', () => {
+        expect(parser.validate(unCompleteSQL).length).not.toBe(0);
+    });
+});

test/parser/hive/validateInvalidSql.test.ts

@@ -0,0 +1,16 @@
+import { MySQL } from '../../filters';
+
+const randomText = `dhsdansdnkla ndjnsla ndnalks`;
+const unCompleteSQL = `CREATE TABLE`;
+
+describe('MySQL validate invalid sql', () => {
+    const parser = new MySQL();
+
+    test('validate random text', () => {
+        expect(parser.validate(randomText).length).not.toBe(0);
+    });
+
+    test('validate unComplete sql', () => {
+        expect(parser.validate(unCompleteSQL).length).not.toBe(0);
+    });
+});

test/parser/impala/validateInvalidSql.test.ts

@@ -0,0 +1,16 @@
+import { PostgresSQL } from '../../filters';
+
+const randomText = `dhsdansdnkla ndjnsla ndnalks`;
+const unCompleteSQL = `CREATE TABLE`;
+
+describe('Postgres SQL validate invalid sql', () => {
+    const parser = new PostgresSQL();
+
+    test('validate random text', () => {
+        expect(parser.validate(randomText).length).not.toBe(0);
+    });
+
+    test('validate unComplete sql', () => {
+        expect(parser.validate(unCompleteSQL).length).not.toBe(0);
+    });
+});