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DatabendViewGenerator.java
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29 lines (24 loc) · 1.04 KB
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package sqlancer.databend.gen;
import sqlancer.Randomly;
import sqlancer.common.query.ExpectedErrors;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.databend.DatabendErrors;
import sqlancer.databend.DatabendProvider.DatabendGlobalState;
import sqlancer.databend.DatabendToStringVisitor;
public final class DatabendViewGenerator {
private DatabendViewGenerator() {
}
public static SQLQueryAdapter generate(DatabendGlobalState globalState) {
int nrColumns = Randomly.smallNumber() + 1;
StringBuilder sb = new StringBuilder("CREATE ");
sb.append("VIEW ");
sb.append(globalState.getSchema().getFreeViewName());
sb.append(" AS ");
sb.append(DatabendToStringVisitor
.asString(DatabendRandomQuerySynthesizer.generateSelect(globalState, nrColumns)));
ExpectedErrors errors = new ExpectedErrors();
DatabendErrors.addExpressionErrors(errors);
DatabendErrors.addGroupByErrors(errors);
return new SQLQueryAdapter(sb.toString(), errors, true);
}
}