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New features (and bug fixes)

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1. alter large sequence
    2. subpartition
    2.1 split subpartition
    2.2 truncate subpartition
    3. 支持load
    4. 支持start-with/connect-by
    5. ...
This commit is contained in:
dengxuyue
2021-12-23 20:34:44 +08:00
committed by zhangzhiyang
parent 27bdb0d62b
commit c7b25efcff
1276 changed files with 332499 additions and 94042 deletions
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19
src/common/backend/parser/parse_node.cpp
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@ -5,6 +5,7 @@
*
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
* Portions Copyright (c) 2021, openGauss Contributors
*
*
* IDENTIFICATION
@ -304,6 +305,7 @@ ArrayRef* transformArraySubscripts(ParseState* pstate, Node* arrayBase, Oid arra
List* lowerIndexpr = NIL;
ListCell* idx = NULL;
ArrayRef* aref = NULL;
bool isIndexByVarchar = false;
/*
* Caller may or may not have bothered to determine elementType. Note
@ -358,9 +360,20 @@ ArrayRef* transformArraySubscripts(ParseState* pstate, Node* arrayBase, Oid arra
lowerIndexpr = lappend(lowerIndexpr, subexpr);
}
subexpr = transformExpr(pstate, ai->uidx);
/* If it's not int4 already, try to coerce */
subexpr = coerce_to_target_type(
pstate, subexpr, exprType(subexpr), INT4OID, -1, COERCION_ASSIGNMENT, COERCE_IMPLICIT_CAST, -1);
if (get_typecategory(arrayType) == TYPCATEGORY_TABLEOF_VARCHAR) {
isIndexByVarchar = true;
}
if ((nodeTag(arrayBase) == T_Param && ((Param*)arrayBase)->tableOfIndexType == VARCHAROID)
|| isIndexByVarchar) {
/* subcript type is varchar */
subexpr = coerce_to_target_type(pstate, subexpr, exprType(subexpr),
((Param*)arrayBase)->tableOfIndexType, -1, COERCION_ASSIGNMENT, COERCE_IMPLICIT_CAST, -1);
} else {
/* If it's not int4 already, try to coerce */
subexpr = coerce_to_target_type(
pstate, subexpr, exprType(subexpr), INT4OID, -1, COERCION_ASSIGNMENT, COERCE_IMPLICIT_CAST, -1);
}
if (subexpr == NULL) {
ereport(ERROR,
(errcode(ERRCODE_DATATYPE_MISMATCH),