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Fix a problem in sqlite-expert causing it to ignore equality constraints on the second or subsequent columns of a multi-column PRIMARY KEY.

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FossilOrigin-Name: c666c85a433fbc83edef4dbfb0399672e570f5d7979ab61cb39ff5488595d822
This commit is contained in:
dan
2020-09-17 17:01:16 +00:00
parent f2e151aeab
commit 39c7125a97
4 changed files with 52 additions and 9 deletions
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4
ext/expert/sqlite3expert.c
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@ -685,6 +685,7 @@ static int idxGetTableInfo(
IdxTable *pNew = 0;
int rc, rc2;
char *pCsr = 0;
int nPk = 0;
rc = idxPrintfPrepareStmt(db, &p1, pzErrmsg, "PRAGMA table_info=%Q", zTab);
while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(p1) ){
@ -695,6 +696,7 @@ static int idxGetTableInfo(
);
nByte += 1 + STRLEN(zCol);
nCol++;
nPk += (sqlite3_column_int(p1, 5)>0);
}
rc2 = sqlite3_reset(p1);
if( rc==SQLITE_OK ) rc = rc2;
@ -714,7 +716,7 @@ static int idxGetTableInfo(
const char *zCol = (const char*)sqlite3_column_text(p1, 1);
int nCopy = STRLEN(zCol) + 1;
pNew->aCol[nCol].zName = pCsr;
pNew->aCol[nCol].iPk = sqlite3_column_int(p1, 5);
pNew->aCol[nCol].iPk = (sqlite3_column_int(p1, 5)==1 && nPk==1);
memcpy(pCsr, zCol, nCopy);
pCsr += nCopy;