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DorisViewGenerator.java
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38 lines (33 loc) · 1.33 KB
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package sqlancer.doris.gen;
import sqlancer.IgnoreMeException;
import sqlancer.Randomly;
import sqlancer.common.query.ExpectedErrors;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.doris.DorisErrors;
import sqlancer.doris.DorisProvider.DorisGlobalState;
import sqlancer.doris.visitor.DorisToStringVisitor;
public final class DorisViewGenerator {
private DorisViewGenerator() {
}
public static SQLQueryAdapter getQuery(DorisGlobalState globalState) {
if (globalState.getSchema().getDatabaseTables().size() > globalState.getDbmsSpecificOptions().maxNumTables) {
throw new IgnoreMeException();
}
int nrColumns = Randomly.smallNumber() + 1;
StringBuilder sb = new StringBuilder("CREATE VIEW ");
sb.append(globalState.getSchema().getFreeViewName());
sb.append("(");
for (int i = 0; i < nrColumns; i++) {
if (i != 0) {
sb.append(", ");
}
sb.append("c");
sb.append(i);
}
sb.append(") AS ");
sb.append(DorisToStringVisitor.asString(DorisRandomQuerySynthesizer.generateSelect(globalState, nrColumns)));
ExpectedErrors errors = new ExpectedErrors();
DorisErrors.addExpressionErrors(errors);
return new SQLQueryAdapter(sb.toString(), errors, true);
}
}