Add ANSI_SQL_PARSER

sql/core/src/test/resources/sql-tests/inputs/pgSQL/boolean.sql

@@ -17,19 +17,19 @@ SELECT 1 AS one;
 
 SELECT true AS true;
 
-SELECT false AS false;
+SELECT false AS `false`;
 
 SELECT boolean('t') AS true;
 
 -- [SPARK-27931] Trim the string when cast string type to boolean type
-SELECT boolean('   f           ') AS false;
+SELECT boolean('   f           ') AS `false`;
 
 SELECT boolean('true') AS true;
 
 -- [SPARK-27923] PostgreSQL does not accept 'test' but Spark SQL accepts it and sets it to NULL
 SELECT boolean('test') AS error;
 
-SELECT boolean('false') AS false;
+SELECT boolean('false') AS `false`;
 
 -- [SPARK-27923] PostgreSQL does not accept 'foo' but Spark SQL accepts it and sets it to NULL
 SELECT boolean('foo') AS error;
@@ -41,20 +41,20 @@ SELECT boolean('yes') AS true;
 -- [SPARK-27923] PostgreSQL does not accept 'yeah' but Spark SQL accepts it and sets it to NULL
 SELECT boolean('yeah') AS error;
 
-SELECT boolean('n') AS false;
+SELECT boolean('n') AS `false`;
 
-SELECT boolean('no') AS false;
+SELECT boolean('no') AS `false`;
 
 -- [SPARK-27923] PostgreSQL does not accept 'nay' but Spark SQL accepts it and sets it to NULL
 SELECT boolean('nay') AS error;
 
 -- [SPARK-27931] Accept 'on' and 'off' as input for boolean data type
 SELECT boolean('on') AS true;
 
-SELECT boolean('off') AS false;
+SELECT boolean('off') AS `false`;
 
 -- [SPARK-27931] Accept unique prefixes thereof
-SELECT boolean('of') AS false;
+SELECT boolean('of') AS `false`;
 
 -- [SPARK-27923] PostgreSQL does not accept 'o' but Spark SQL accepts it and sets it to NULL
 SELECT boolean('o') AS error;
@@ -70,7 +70,7 @@ SELECT boolean('1') AS true;
 -- [SPARK-27923] PostgreSQL does not accept '11' but Spark SQL accepts it and sets it to NULL
 SELECT boolean('11') AS error;
 
-SELECT boolean('0') AS false;
+SELECT boolean('0') AS `false`;
 
 -- [SPARK-27923] PostgreSQL does not accept '000' but Spark SQL accepts it and sets it to NULL
 SELECT boolean('000') AS error;
@@ -82,11 +82,11 @@ SELECT boolean('') AS error;
 
 SELECT boolean('t') or boolean('f') AS true;
 
-SELECT boolean('t') and boolean('f') AS false;
+SELECT boolean('t') and boolean('f') AS `false`;
 
 SELECT not boolean('f') AS true;
 
-SELECT boolean('t') = boolean('f') AS false;
+SELECT boolean('t') = boolean('f') AS `false`;
 
 SELECT boolean('t') <> boolean('f') AS true;
 
@@ -99,11 +99,11 @@ SELECT boolean('f') < boolean('t') AS true;
 SELECT boolean('f') <= boolean('t') AS true;
 
 -- explicit casts to/from text
-SELECT boolean(string('TrUe')) AS true, boolean(string('fAlse')) AS false;
+SELECT boolean(string('TrUe')) AS true, boolean(string('fAlse')) AS `false`;
 -- [SPARK-27931] Trim the string when cast to boolean type
 SELECT boolean(string('    true   ')) AS true,
-       boolean(string('     FALSE')) AS false;
-SELECT string(boolean(true)) AS true, string(boolean(false)) AS false;
+       boolean(string('     FALSE')) AS `false`;
+SELECT string(boolean(true)) AS true, string(boolean(false)) AS `false`;
 
 -- [SPARK-27923] PostgreSQL does not accept '  tru e ' but Spark SQL accepts it and sets it to NULL
 SELECT boolean(string('  tru e ')) AS invalid;    -- error

sql/core/src/test/resources/sql-tests/inputs/pgSQL/int4.sql

@@ -125,7 +125,7 @@ SELECT int('2') * smallint('2') = smallint('16') / int('4') AS true;
 
 SELECT smallint('2') * int('2') = int('16') / smallint('4') AS true;
 
-SELECT int('1000') < int('999') AS false;
+SELECT int('1000') < int('999') AS `false`;
 
 -- [SPARK-28027] Our ! and !! has different meanings
 -- SELECT 4! AS twenty_four;

sql/core/src/test/resources/sql-tests/inputs/pgSQL/int8.sql

@@ -67,10 +67,10 @@ SELECT * FROM INT8_TBL WHERE smallint('123') <= q1;
 SELECT * FROM INT8_TBL WHERE smallint('123') >= q1;
 
 
-SELECT '' AS five, q1 AS plus, -q1 AS minus FROM INT8_TBL;
+SELECT '' AS five, q1 AS plus, -q1 AS `minus` FROM INT8_TBL;
 
 SELECT '' AS five, q1, q2, q1 + q2 AS plus FROM INT8_TBL;
-SELECT '' AS five, q1, q2, q1 - q2 AS minus FROM INT8_TBL;
+SELECT '' AS five, q1, q2, q1 - q2 AS `minus` FROM INT8_TBL;
 SELECT '' AS three, q1, q2, q1 * q2 AS multiply FROM INT8_TBL;
 SELECT '' AS three, q1, q2, q1 * q2 AS multiply FROM INT8_TBL
  WHERE q1 < 1000 or (q2 > 0 and q2 < 1000);

sql/core/src/test/resources/sql-tests/results/pgSQL/boolean.sql.out

@@ -19,7 +19,7 @@ true
 
 
 -- !query 2
-SELECT false AS false
+SELECT false AS `false`
 -- !query 2 schema
 struct<false:boolean>
 -- !query 2 output
@@ -35,7 +35,7 @@ true
 
 
 -- !query 4
-SELECT boolean('   f           ') AS false
+SELECT boolean('   f           ') AS `false`
 -- !query 4 schema
 struct<false:boolean>
 -- !query 4 output
@@ -59,7 +59,7 @@ NULL
 
 
 -- !query 7
-SELECT boolean('false') AS false
+SELECT boolean('false') AS `false`
 -- !query 7 schema
 struct<false:boolean>
 -- !query 7 output
@@ -99,15 +99,15 @@ NULL
 
 
 -- !query 12
-SELECT boolean('n') AS false
+SELECT boolean('n') AS `false`
 -- !query 12 schema
 struct<false:boolean>
 -- !query 12 output
 false
 
 
 -- !query 13
-SELECT boolean('no') AS false
+SELECT boolean('no') AS `false`
 -- !query 13 schema
 struct<false:boolean>
 -- !query 13 output
@@ -131,15 +131,15 @@ NULL
 
 
 -- !query 16
-SELECT boolean('off') AS false
+SELECT boolean('off') AS `false`
 -- !query 16 schema
 struct<false:boolean>
 -- !query 16 output
 NULL
 
 
 -- !query 17
-SELECT boolean('of') AS false
+SELECT boolean('of') AS `false`
 -- !query 17 schema
 struct<false:boolean>
 -- !query 17 output
@@ -187,7 +187,7 @@ NULL
 
 
 -- !query 23
-SELECT boolean('0') AS false
+SELECT boolean('0') AS `false`
 -- !query 23 schema
 struct<false:boolean>
 -- !query 23 output
@@ -219,7 +219,7 @@ true
 
 
 -- !query 27
-SELECT boolean('t') and boolean('f') AS false
+SELECT boolean('t') and boolean('f') AS `false`
 -- !query 27 schema
 struct<false:boolean>
 -- !query 27 output
@@ -235,7 +235,7 @@ true
 
 
 -- !query 29
-SELECT boolean('t') = boolean('f') AS false
+SELECT boolean('t') = boolean('f') AS `false`
 -- !query 29 schema
 struct<false:boolean>
 -- !query 29 output
@@ -283,7 +283,7 @@ true
 
 
 -- !query 35
-SELECT boolean(string('TrUe')) AS true, boolean(string('fAlse')) AS false
+SELECT boolean(string('TrUe')) AS true, boolean(string('fAlse')) AS `false`
 -- !query 35 schema
 struct<true:boolean,false:boolean>
 -- !query 35 output
@@ -292,15 +292,15 @@ true	false
 
 -- !query 36
 SELECT boolean(string('    true   ')) AS true,
-       boolean(string('     FALSE')) AS false
+       boolean(string('     FALSE')) AS `false`
 -- !query 36 schema
 struct<true:boolean,false:boolean>
 -- !query 36 output
 NULL	NULL
 
 
 -- !query 37
-SELECT string(boolean(true)) AS true, string(boolean(false)) AS false
+SELECT string(boolean(true)) AS true, string(boolean(false)) AS `false`
 -- !query 37 schema
 struct<true:string,false:string>
 -- !query 37 output

sql/core/src/test/resources/sql-tests/results/pgSQL/int4.sql.out

@@ -417,7 +417,7 @@ true
 
 
 -- !query 42
-SELECT int('1000') < int('999') AS false
+SELECT int('1000') < int('999') AS `false`
 -- !query 42 schema
 struct<false:boolean>
 -- !query 42 output

sql/core/src/test/resources/sql-tests/results/pgSQL/int8.sql.out

@@ -351,7 +351,7 @@ struct<q1:bigint,q2:bigint>
 
 
 -- !query 37
-SELECT '' AS five, q1 AS plus, -q1 AS minus FROM INT8_TBL
+SELECT '' AS five, q1 AS plus, -q1 AS `minus` FROM INT8_TBL
 -- !query 37 schema
 struct<five:string,plus:bigint,minus:bigint>
 -- !query 37 output
@@ -375,7 +375,7 @@ struct<five:string,q1:bigint,q2:bigint,plus:bigint>
 
 
 -- !query 39
-SELECT '' AS five, q1, q2, q1 - q2 AS minus FROM INT8_TBL
+SELECT '' AS five, q1, q2, q1 - q2 AS `minus` FROM INT8_TBL
 -- !query 39 schema
 struct<five:string,q1:bigint,q2:bigint,minus:bigint>
 -- !query 39 output

sql/core/src/test/scala/org/apache/spark/sql/SQLQueryTestSuite.scala

@@ -267,6 +267,7 @@ class SQLQueryTestSuite extends QueryTest with SharedSQLContext {
         localSparkSession.udf.register("vol", (s: String) => s)
         // PostgreSQL enabled cartesian product by default.
         localSparkSession.conf.set(SQLConf.CROSS_JOINS_ENABLED.key, true)
+        localSparkSession.conf.set(SQLConf.ANSI_SQL_PARSER.key, true)
       case _ => // Don't add UDFs in Regular tests.
     }