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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-04-08 23:20:04 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-04-08 23:20:04 +0000 |
| commit | 730840c9b649a48604083270d48792915ca89233 (patch) | |
| tree | cf3ccc25e61cdfc07061ebec63393d77b3a2f643 /src/backend/nodes/readfuncs.c | |
| parent | 6fb5115850be766c42177cebf672c68c7d8e3ddd (diff) | |
| download | postgresql-730840c9b649a48604083270d48792915ca89233.tar.gz | |
First phase of work on array improvements. ARRAY[x,y,z] constructor
expressions, ARRAY(sub-SELECT) expressions, some array functions.
Polymorphic functions using ANYARRAY/ANYELEMENT argument and return
types. Some regression tests in place, documentation is lacking.
Joe Conway, with some kibitzing from Tom Lane.
Diffstat (limited to 'src/backend/nodes/readfuncs.c')
| -rw-r--r-- | src/backend/nodes/readfuncs.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c index fb1ea0c94d..4f75942169 100644 --- a/src/backend/nodes/readfuncs.c +++ b/src/backend/nodes/readfuncs.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.150 2003/03/10 03:53:49 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.151 2003/04/08 23:20:01 tgl Exp $ * * NOTES * Path and Plan nodes do not have any readfuncs support, because we @@ -427,10 +427,8 @@ _readArrayRef(void) READ_LOCALS(ArrayRef); READ_OID_FIELD(refrestype); - READ_INT_FIELD(refattrlength); - READ_INT_FIELD(refelemlength); - READ_BOOL_FIELD(refelembyval); - READ_CHAR_FIELD(refelemalign); + READ_OID_FIELD(refarraytype); + READ_OID_FIELD(refelemtype); READ_NODE_FIELD(refupperindexpr); READ_NODE_FIELD(reflowerindexpr); READ_NODE_FIELD(refexpr); @@ -620,6 +618,22 @@ _readCaseWhen(void) } /* + * _readArrayExpr + */ +static ArrayExpr * +_readArrayExpr(void) +{ + READ_LOCALS(ArrayExpr); + + READ_OID_FIELD(array_typeid); + READ_OID_FIELD(element_typeid); + READ_NODE_FIELD(elements); + READ_INT_FIELD(ndims); + + READ_DONE(); +} + +/* * _readCoalesceExpr */ static CoalesceExpr * @@ -947,6 +961,8 @@ parseNodeString(void) return_value = _readCaseExpr(); else if (MATCH("WHEN", 4)) return_value = _readCaseWhen(); + else if (MATCH("ARRAY", 5)) + return_value = _readArrayExpr(); else if (MATCH("COALESCE", 8)) return_value = _readCoalesceExpr(); else if (MATCH("NULLIFEXPR", 10)) |