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Commit979766c

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Correct the command tags for ALTER ... RENAME COLUMN.
Previously ALTER MATERIALIZED VIEW / FOREIGN TABLE ... RENAME COLUMN ...returned "ALTER TABLE" as a command tag. This commit fixes them so thatthey return "ALTER MATERIALIZED VIEW" and "ALTER FOREIGN TABLE" ascommand tags, respectively.This issue exists in all supported versions, but we don't back-patch thisbecause it's not enough of a bug to justify taking any compatibility risks for.Otherwise, the back-patch would cause minor version update to break,for example, the existing event trigger functions using TG_TAG.Author: Fujii MasaoReviewed-by: Ibrar AhmedDiscussion:https://postgr.es/m/CAHGQGwGUaC03FFdTFoHsCuDrrNvFvNVQ6xyd40==P25WvuBJjg@mail.gmail.com
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‎src/backend/tcop/utility.c

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2399,7 +2399,14 @@ CreateCommandTag(Node *parsetree)
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break;
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caseT_RenameStmt:
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tag=AlterObjectTypeCommandTag(((RenameStmt*)parsetree)->renameType);
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/*
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* When the column is renamed, the command tag is created
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* from its relation type
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*/
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tag=AlterObjectTypeCommandTag(
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((RenameStmt*)parsetree)->renameType==OBJECT_COLUMN ?
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((RenameStmt*)parsetree)->relationType :
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((RenameStmt*)parsetree)->renameType);
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break;
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caseT_AlterObjectDependsStmt:

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