diff --git a/src/backend/parser/parse_clause.c b/src/backend/parser/parse_clause.c index edcaf276c0..855e3b50b1 100644 --- a/src/backend/parser/parse_clause.c +++ b/src/backend/parser/parse_clause.c @@ -1434,21 +1434,6 @@ transformFromClauseItem(ParseState *pstate, Node *n, &res_colnames, &res_colvars, res_nscolumns + res_colindex); - /* - * Check alias (AS clause), if any. - */ - if (j->alias) - { - if (j->alias->colnames != NIL) - { - if (list_length(j->alias->colnames) > list_length(res_colnames)) - ereport(ERROR, - (errcode(ERRCODE_SYNTAX_ERROR), - errmsg("column alias list for \"%s\" has too many entries", - j->alias->aliasname))); - } - } - /* * Now build an RTE and nsitem for the result of the join. * res_nscolumns isn't totally done yet, but that's OK because diff --git a/src/backend/parser/parse_relation.c b/src/backend/parser/parse_relation.c index af43a62cb2..12d1108c9a 100644 --- a/src/backend/parser/parse_relation.c +++ b/src/backend/parser/parse_relation.c @@ -1963,6 +1963,12 @@ addRangeTableEntryForTableFunc(ParseState *pstate, eref->colnames = list_concat(eref->colnames, list_copy_tail(tf->colnames, numaliases)); + if (numaliases > list_length(tf->colnames)) + ereport(ERROR, + (errcode(ERRCODE_INVALID_COLUMN_REFERENCE), + errmsg("%s function has %d columns available but %d columns specified", + "XMLTABLE", list_length(tf->colnames), numaliases))); + rte->eref = eref; /* @@ -2140,6 +2146,12 @@ addRangeTableEntryForJoin(ParseState *pstate, eref->colnames = list_concat(eref->colnames, list_copy_tail(colnames, numaliases)); + if (numaliases > list_length(colnames)) + ereport(ERROR, + (errcode(ERRCODE_INVALID_COLUMN_REFERENCE), + errmsg("join expression \"%s\" has %d columns available but %d columns specified", + eref->aliasname, list_length(colnames), numaliases))); + rte->eref = eref; /* diff --git a/src/test/regress/expected/int2.out b/src/test/regress/expected/int2.out index 8c255b9e4d..ff8e76b5fe 100644 --- a/src/test/regress/expected/int2.out +++ b/src/test/regress/expected/int2.out @@ -51,6 +51,10 @@ SELECT '' AS five, * FROM INT2_TBL; | -32767 (5 rows) +SELECT * FROM INT2_TBL AS f(a, b); +ERROR: table "f" has 1 columns available but 2 columns specified +SELECT * FROM (TABLE int2_tbl) AS s (a, b); +ERROR: table "s" has 1 columns available but 2 columns specified SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0'; four | f1 ------+-------- diff --git a/src/test/regress/expected/join.out b/src/test/regress/expected/join.out index 9c4603ba92..c8d3716a15 100644 --- a/src/test/regress/expected/join.out +++ b/src/test/regress/expected/join.out @@ -5788,6 +5788,9 @@ select * from 3 | 3 (6 rows) +-- check the number of columns specified +SELECT * FROM (int8_tbl i cross join int4_tbl j) ss(a,b,c,d); +ERROR: join expression "ss" has 3 columns available but 4 columns specified -- check we don't try to do a unique-ified semijoin with LATERAL explain (verbose, costs off) select * from diff --git a/src/test/regress/expected/with.out b/src/test/regress/expected/with.out index 63bbef0677..8f7e433f60 100644 --- a/src/test/regress/expected/with.out +++ b/src/test/regress/expected/with.out @@ -1015,6 +1015,11 @@ DROP TABLE y; -- -- error cases -- +WITH x(n, b) AS (SELECT 1) +SELECT * FROM x; +ERROR: WITH query "x" has 1 columns available but 2 columns specified +LINE 1: WITH x(n, b) AS (SELECT 1) + ^ -- INTERSECT WITH RECURSIVE x(n) AS (SELECT 1 INTERSECT SELECT n+1 FROM x) SELECT * FROM x; diff --git a/src/test/regress/expected/xml.out b/src/test/regress/expected/xml.out index 55b65ef324..55ac49be26 100644 --- a/src/test/regress/expected/xml.out +++ b/src/test/regress/expected/xml.out @@ -1145,6 +1145,9 @@ EXPLAIN (COSTS OFF, VERBOSE) SELECT * FROM xmltableview1; Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) (7 rows) +-- errors +SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp) AS f (v1, v2); +ERROR: XMLTABLE function has 1 columns available but 2 columns specified -- XMLNAMESPACES tests SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS zz), '/zz:rows/zz:row' diff --git a/src/test/regress/sql/int2.sql b/src/test/regress/sql/int2.sql index 7dbafb6dac..23339aee08 100644 --- a/src/test/regress/sql/int2.sql +++ b/src/test/regress/sql/int2.sql @@ -29,6 +29,10 @@ INSERT INTO INT2_TBL(f1) VALUES (''); SELECT '' AS five, * FROM INT2_TBL; +SELECT * FROM INT2_TBL AS f(a, b); + +SELECT * FROM (TABLE int2_tbl) AS s (a, b); + SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0'; SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0'; diff --git a/src/test/regress/sql/join.sql b/src/test/regress/sql/join.sql index 7d1cfc5b44..691fae38d5 100644 --- a/src/test/regress/sql/join.sql +++ b/src/test/regress/sql/join.sql @@ -1971,6 +1971,9 @@ select * from (select q1.v) ) as q2; +-- check the number of columns specified +SELECT * FROM (int8_tbl i cross join int4_tbl j) ss(a,b,c,d); + -- check we don't try to do a unique-ified semijoin with LATERAL explain (verbose, costs off) select * from diff --git a/src/test/regress/sql/with.sql b/src/test/regress/sql/with.sql index d2c4c174a4..5b8993330a 100644 --- a/src/test/regress/sql/with.sql +++ b/src/test/regress/sql/with.sql @@ -454,6 +454,9 @@ DROP TABLE y; -- error cases -- +WITH x(n, b) AS (SELECT 1) +SELECT * FROM x; + -- INTERSECT WITH RECURSIVE x(n) AS (SELECT 1 INTERSECT SELECT n+1 FROM x) SELECT * FROM x; diff --git a/src/test/regress/sql/xml.sql b/src/test/regress/sql/xml.sql index f3f83c7827..e3f90db4d5 100644 --- a/src/test/regress/sql/xml.sql +++ b/src/test/regress/sql/xml.sql @@ -384,6 +384,9 @@ SELECT * FROM xmltableview1; EXPLAIN (COSTS OFF) SELECT * FROM xmltableview1; EXPLAIN (COSTS OFF, VERBOSE) SELECT * FROM xmltableview1; +-- errors +SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp) AS f (v1, v2); + -- XMLNAMESPACES tests SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS zz), '/zz:rows/zz:row'