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Enhance the ALTER TABLE RENAME COLUMN feature so that it works on tables

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that have redundant UNIQUE and/or PRIMARY KEY constraints.
Fix for ticket [bc8d94f0fbd633fd9a051e3]

FossilOrigin-Name: f09aa3248e2b4a32ff5b5d37084cb2a27445322cb06a3354cef723f4f0b2cd34
This commit is contained in:
drh
2019-01-09 02:02:24 +00:00
parent 2d77d80a65
commit 885eeb676b
6 changed files with 52 additions and 13 deletions
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4
src/sqliteInt.h
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@@ -3134,7 +3134,9 @@ struct Parse {
Vdbe *pReprepare; /* VM being reprepared (sqlite3Reprepare()) */
const char *zTail; /* All SQL text past the last semicolon parsed */
Table *pNewTable; /* A table being constructed by CREATE TABLE */
Index *pNewIndex; /* An index being constructed by CREATE INDEX */
Index *pNewIndex; /* An index being constructed by CREATE INDEX.
** Also used to hold redundant UNIQUE constraints
** during a RENAME COLUMN */
Trigger *pNewTrigger; /* Trigger under construct by a CREATE TRIGGER */
const char *zAuthContext; /* The 6th parameter to db->xAuth callbacks */
#ifndef SQLITE_OMIT_VIRTUALTABLE