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DorisUpdateGenerator.java
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55 lines (45 loc) · 2.05 KB
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package sqlancer.doris.gen;
import java.util.List;
import sqlancer.Randomly;
import sqlancer.common.gen.AbstractUpdateGenerator;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.doris.DorisErrors;
import sqlancer.doris.DorisProvider.DorisGlobalState;
import sqlancer.doris.DorisSchema;
import sqlancer.doris.DorisSchema.DorisColumn;
import sqlancer.doris.DorisSchema.DorisTable;
import sqlancer.doris.ast.DorisExpression;
import sqlancer.doris.visitor.DorisToStringVisitor;
public final class DorisUpdateGenerator extends AbstractUpdateGenerator<DorisColumn> {
private final DorisGlobalState globalState;
private DorisNewExpressionGenerator gen;
private DorisUpdateGenerator(DorisGlobalState globalState) {
this.globalState = globalState;
}
public static SQLQueryAdapter getQuery(DorisGlobalState globalState) {
return new DorisUpdateGenerator(globalState).generate();
}
private SQLQueryAdapter generate() {
DorisTable table = globalState.getSchema().getRandomTable(t -> !t.isView());
List<DorisColumn> columns = table.getRandomNonEmptyColumnSubset();
gen = new DorisNewExpressionGenerator(globalState).setColumns(table.getColumns());
sb.append("UPDATE ");
sb.append(table.getName());
sb.append(" SET ");
updateColumns(columns);
sb.append(" WHERE ");
sb.append(DorisToStringVisitor.asString(gen.generateExpression(DorisSchema.DorisDataType.BOOLEAN)));
DorisErrors.addInsertErrors(errors);
return new SQLQueryAdapter(sb.toString(), errors);
}
@Override
protected void updateValue(DorisColumn column) {
if (Randomly.getBooleanWithSmallProbability()) {
DorisExpression expr = gen.generateExpression(column.getType().getPrimitiveDataType());
sb.append(DorisToStringVisitor.asString(expr));
} else {
DorisExpression expr = gen.generateConstant(column.getType().getPrimitiveDataType(), column.isNullable());
sb.append(DorisToStringVisitor.asString(expr));
}
}
}