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Begin adding the data-structure explaining subsystem. All is contained within

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FossilOrigin-Name: 79ae51c5b1b20ed0a425a87e65a32a096a80b7e1
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drh
2011-12-06 19:44:51 +00:00
parent ed51f29774
commit 7e02e5e6b5
13 changed files with 297 additions and 89 deletions
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9
src/shell.c
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@@ -1127,6 +1127,15 @@ static int shell_exec(
fprintf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
}
/* Output TESTCTRL_EXPLAIN text of requested */
if( pArg && pArg->mode==MODE_Explain ){
const char *zExplain = 0;
sqlite3_test_control(SQLITE_TESTCTRL_EXPLAIN_STMT, pStmt, &zExplain);
if( zExplain && zExplain[0] ){
fprintf(pArg->out, "%s", zExplain);
}
}
/* perform the first step. this will tell us if we
** have a result set or not and how wide it is.
*/