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-rw-r--r--tool/sqldiff.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tool/sqldiff.c b/tool/sqldiff.c
index 5477ff97f..0d27ff89e 100644
--- a/tool/sqldiff.c
+++ b/tool/sqldiff.c
@@ -596,7 +596,9 @@ static void diff_one_table(const char *zTab, FILE *out){
/* Build the comparison query */
for(n2=n; az2[n2]; n2++){
- fprintf(out, "ALTER TABLE %s ADD COLUMN %s;\n", zId, safeId(az2[n2]));
+ char *zTab = safeId(az2[n2]);
+ fprintf(out, "ALTER TABLE %s ADD COLUMN %s;\n", zId, zTab);
+ sqlite3_free(zTab);
}
nQ = nPk2+1+2*(n2-nPk2);
if( n2>nPk2 ){