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Add PublicationTable and PublicationRelInfo structs

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These encapsulate a relation when referred from replication DDL.
Currently they don't do anything useful (they're just wrappers around
RangeVar and Relation respectively) but in the future they'll be used to
carry column lists.

Extracted from a larger patch by Rahila Syed.

Author: Rahila Syed <rahilasyed90@gmail.com>
Reviewed-by: Álvaro Herrera <alvherre@alvh.no-ip.org>
Reviewed-by: Tomas Vondra <tomas.vondra@enterprisedb.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CAH2L28vddB_NFdRVpuyRBJEBWjz4BSyTB=_ektNRH8NJ1jf95g@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2021-09-06 14:24:50 -03:00
parent 89dba59590
commit 0c6828fa98
9 changed files with 95 additions and 31 deletions
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11
src/backend/nodes/equalfuncs.c
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@@ -3114,6 +3114,14 @@ _equalValue(const Value *a, const Value *b)
return true;
}
static bool
_equalPublicationTable(const PublicationTable *a, const PublicationTable *b)
{
COMPARE_NODE_FIELD(relation);
return true;
}
/*
* equal
* returns whether two nodes are equal
@@ -3862,6 +3870,9 @@ equal(const void *a, const void *b)
case T_PartitionCmd:
retval = _equalPartitionCmd(a, b);
break;
case T_PublicationTable:
retval = _equalPublicationTable(a, b);
break;
default:
elog(ERROR, "unrecognized node type: %d",