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Commit005ac29

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Prohibit identity columns on typed tables and partitions
Those cases currently crash and supporting them is more work thenoriginally thought, so we'll just prohibit these scenarios for now.Author: Michael Paquier <michael.paquier@gmail.com>Reviewed-by: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>Reported-by: Мансур Галиев <gomer94@yandex.ru>Bug: #14866
1 parentaf9f8b7 commit005ac29

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3 files changed

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3 files changed

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‎src/backend/parser/parse_utilcmd.c

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@@ -92,6 +92,7 @@ typedef struct
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IndexStmt*pkey;/* PRIMARY KEY index, if any */
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boolispartitioned;/* true if table is partitioned */
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PartitionBoundSpec*partbound;/* transformed FOR VALUES */
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boolofType;/* true if statement contains OF typename */
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}CreateStmtContext;
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/* State shared by transformCreateSchemaStmt and its subroutines */
@@ -240,6 +241,8 @@ transformCreateStmt(CreateStmt *stmt, const char *queryString)
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cxt.alist=NIL;
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cxt.pkey=NULL;
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cxt.ispartitioned=stmt->partspec!=NULL;
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cxt.partbound=stmt->partbound;
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cxt.ofType= (stmt->ofTypename!=NULL);
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/*
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* Notice that we allow OIDs here only for plain tables, even though
@@ -662,6 +665,15 @@ transformColumnDefinition(CreateStmtContext *cxt, ColumnDef *column)
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Typectype;
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OidtypeOid;
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if (cxt->ofType)
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ereport(ERROR,
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(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
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errmsg("identity colums are not supported on typed tables")));
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if (cxt->partbound)
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ereport(ERROR,
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(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
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errmsg("identify columns are not supported on partitions")));
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ctype=typenameType(cxt->pstate,column->typeName,NULL);
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typeOid=HeapTupleGetOid(ctype);
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ReleaseSysCache(ctype);
@@ -2697,6 +2709,7 @@ transformAlterTableStmt(Oid relid, AlterTableStmt *stmt,
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cxt.pkey=NULL;
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cxt.ispartitioned= (rel->rd_rel->relkind==RELKIND_PARTITIONED_TABLE);
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cxt.partbound=NULL;
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cxt.ofType= false;
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/*
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* The only subtypes that currently require parse transformation handling

‎src/test/regress/expected/identity.out

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@@ -346,3 +346,15 @@ SELECT * FROM itest8;
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RESET ROLE;
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DROP TABLE itest8;
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DROP USER regress_user1;
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-- typed tables (currently not supported)
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CREATE TYPE itest_type AS (f1 integer, f2 text, f3 bigint);
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CREATE TABLE itest12 OF itest_type (f1 WITH OPTIONS GENERATED ALWAYS AS IDENTITY); -- error
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ERROR: identity colums are not supported on typed tables
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DROP TYPE itest_type CASCADE;
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-- table partitions (currently not supported)
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CREATE TABLE itest_parent (f1 date NOT NULL, f2 text, f3 bigint) PARTITION BY RANGE (f1);
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CREATE TABLE itest_child PARTITION OF itest_parent (
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f3 WITH OPTIONS GENERATED ALWAYS AS IDENTITY
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) FOR VALUES FROM ('2016-07-01') TO ('2016-08-01'); -- error
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ERROR: identify columns are not supported on partitions
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DROP TABLE itest_parent;

‎src/test/regress/sql/identity.sql

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Original file line numberDiff line numberDiff line change
@@ -211,3 +211,19 @@ SELECT * FROM itest8;
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RESET ROLE;
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DROPTABLE itest8;
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DROPUSER regress_user1;
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-- typed tables (currently not supported)
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CREATETYPEitest_typeAS (f1integer, f2text, f3bigint);
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CREATETABLEitest12 OF itest_type (f1 WITH OPTIONS GENERATED ALWAYSAS IDENTITY);-- error
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DROPTYPE itest_type CASCADE;
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-- table partitions (currently not supported)
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CREATETABLEitest_parent (f1dateNOT NULL, f2text, f3bigint) PARTITION BY RANGE (f1);
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CREATETABLEitest_child PARTITION OF itest_parent (
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f3 WITH OPTIONS GENERATED ALWAYSAS IDENTITY
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) FORVALUESFROM ('2016-07-01') TO ('2016-08-01');-- error
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DROPTABLE itest_parent;

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