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Custom reloptions for table AM

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Let table AM define custom reloptions for its tables.  This allows to
specify AM-specific parameters by WITH clause when creating a table.

The code may use some parts from prior work by Hao Wu.

Discussion: https://postgr.es/m/CAPpHfdurb9ycV8udYqM%3Do0sPS66PJ4RCBM1g-bBpvzUfogY0EA%40mail.gmail.com
Discussion: https://postgr.es/m/AMUA1wBBBxfc3tKRLLdU64rb.1.1683276279979.Hmail.wuhao%40hashdata.cn
Reviewed-by: Reviewed-by: Pavel Borisov, Matthias van de Meent
This commit is contained in:
Alexander Korotkov
2024-03-30 22:36:25 +02:00
parent 27bc1772fc
commit c95c25f9af
8 changed files with 126 additions and 27 deletions
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55
src/backend/commands/tablecmds.c
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@ -715,6 +715,7 @@ DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId,
ObjectAddress address;
LOCKMODE parentLockmode;
Oid accessMethodId = InvalidOid;
const TableAmRoutine *tableam = NULL;
/*
* Truncate relname to appropriate length (probably a waste of time, as
@ -850,6 +851,28 @@ DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId,
if (!OidIsValid(ownerId))
ownerId = GetUserId();
/*
* For relations with table AM and partitioned tables, select access
* method to use: an explicitly indicated one, or (in the case of a
* partitioned table) the parent's, if it has one.
*/
if (stmt->accessMethod != NULL)
{
Assert(RELKIND_HAS_TABLE_AM(relkind) || relkind == RELKIND_PARTITIONED_TABLE);
accessMethodId = get_table_am_oid(stmt->accessMethod, false);
}
else if (RELKIND_HAS_TABLE_AM(relkind) || relkind == RELKIND_PARTITIONED_TABLE)
{
if (stmt->partbound)
{
Assert(list_length(inheritOids) == 1);
accessMethodId = get_rel_relam(linitial_oid(inheritOids));
}
if (RELKIND_HAS_TABLE_AM(relkind) && !OidIsValid(accessMethodId))
accessMethodId = get_table_am_oid(default_table_access_method, false);
}
/*
* Parse and validate reloptions, if any.
*/
@ -858,6 +881,12 @@ DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId,
switch (relkind)
{
case RELKIND_RELATION:
case RELKIND_TOASTVALUE:
case RELKIND_MATVIEW:
tableam = GetTableAmRoutineByAmOid(accessMethodId);
(void) tableam_reloptions(tableam, relkind, reloptions, true);
break;
case RELKIND_VIEW:
(void) view_reloptions(reloptions, true);
break;
@ -866,6 +895,7 @@ DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId,
break;
default:
(void) heap_reloptions(relkind, reloptions, true);
break;
}
if (stmt->ofTypename)
@ -957,28 +987,6 @@ DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId,
}
}
/*
* For relations with table AM and partitioned tables, select access
* method to use: an explicitly indicated one, or (in the case of a
* partitioned table) the parent's, if it has one.
*/
if (stmt->accessMethod != NULL)
{
Assert(RELKIND_HAS_TABLE_AM(relkind) || relkind == RELKIND_PARTITIONED_TABLE);
accessMethodId = get_table_am_oid(stmt->accessMethod, false);
}
else if (RELKIND_HAS_TABLE_AM(relkind) || relkind == RELKIND_PARTITIONED_TABLE)
{
if (stmt->partbound)
{
Assert(list_length(inheritOids) == 1);
accessMethodId = get_rel_relam(linitial_oid(inheritOids));
}
if (RELKIND_HAS_TABLE_AM(relkind) && !OidIsValid(accessMethodId))
accessMethodId = get_table_am_oid(default_table_access_method, false);
}
/*
* Create the relation. Inherited defaults and constraints are passed in
* for immediate handling --- since they don't need parsing, they can be
@ -15524,7 +15532,8 @@ ATExecSetRelOptions(Relation rel, List *defList, AlterTableType operation,
case RELKIND_RELATION:
case RELKIND_TOASTVALUE:
case RELKIND_MATVIEW:
(void) heap_reloptions(rel->rd_rel->relkind, newOptions, true);
(void) table_reloptions(rel, rel->rd_rel->relkind,
newOptions, true);
break;
case RELKIND_PARTITIONED_TABLE:
(void) partitioned_table_reloptions(newOptions, true);