forked from sqlancer/sqlancer
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathPrestoDeleteGenerator.java
More file actions
32 lines (27 loc) · 1.21 KB
/
PrestoDeleteGenerator.java
File metadata and controls
32 lines (27 loc) · 1.21 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
package sqlancer.presto.gen;
import sqlancer.Randomly;
import sqlancer.common.query.ExpectedErrors;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.presto.PrestoErrors;
import sqlancer.presto.PrestoGlobalState;
import sqlancer.presto.PrestoSchema;
import sqlancer.presto.PrestoSchema.PrestoTable;
import sqlancer.presto.PrestoToStringVisitor;
public final class PrestoDeleteGenerator {
private PrestoDeleteGenerator() {
}
public static SQLQueryAdapter generate(PrestoGlobalState globalState) {
StringBuilder sb = new StringBuilder("DELETE FROM ");
ExpectedErrors errors = new ExpectedErrors();
PrestoTable table = globalState.getSchema().getRandomTable(t -> !t.isView());
sb.append(table.getName());
if (Randomly.getBoolean()) {
sb.append(" WHERE ");
sb.append(PrestoToStringVisitor
.asString(new PrestoTypedExpressionGenerator(globalState).setColumns(table.getColumns())
.generateExpression(PrestoSchema.PrestoCompositeDataType.getRandomWithoutNull())));
}
PrestoErrors.addExpressionErrors(errors);
return new SQLQueryAdapter(sb.toString(), errors, false, false);
}
}