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PrestoTableGenerator.java
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69 lines (60 loc) · 2.76 KB
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package sqlancer.presto.gen;
import java.util.ArrayList;
import java.util.List;
import sqlancer.Randomly;
import sqlancer.common.query.ExpectedErrors;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.presto.PrestoGlobalState;
import sqlancer.presto.PrestoSchema.PrestoColumn;
import sqlancer.presto.PrestoSchema.PrestoCompositeDataType;
public class PrestoTableGenerator {
private static List<PrestoColumn> getNewColumns() {
List<PrestoColumn> columns = new ArrayList<>();
for (int i = 0; i < Randomly.smallNumber() + 1; i++) {
String columnName = String.format("c%d", i);
PrestoCompositeDataType columnType = PrestoCompositeDataType.getRandomWithoutNull();
columns.add(new PrestoColumn(columnName, columnType, false, false));
}
return columns;
}
public SQLQueryAdapter getQuery(PrestoGlobalState globalState) {
ExpectedErrors errors = new ExpectedErrors();
StringBuilder sb = new StringBuilder();
String tableName = globalState.getSchema().getFreeTableName();
sb.append("CREATE TABLE ");
String catalog = globalState.getDbmsSpecificOptions().catalog;
String schema = globalState.getDatabaseName();
sb.append(catalog).append(".");
sb.append(schema).append(".");
sb.append(tableName);
sb.append("(");
List<PrestoColumn> columns = getNewColumns();
// TypedExpressionGenerator<Node<PrestoExpression>, PrestoColumn, PrestoCompositeDataType>
// typedExpressionGenerator = new PrestoTypedExpressionGenerator(globalState).setColumns(columns);
for (int i = 0; i < columns.size(); i++) {
if (i != 0) {
sb.append(", ");
}
PrestoColumn column = columns.get(i);
sb.append(column.getName());
sb.append(" ");
sb.append(column.getType());
// if (globalState.getDbmsSpecificOptions().testIndexes && Randomly.getBooleanWithRatherLowProbability()) {
// sb.append(" UNIQUE");
// }
// if (globalState.getDbmsSpecificOptions().testNotNullConstraints
// && Randomly.getBooleanWithRatherLowProbability()) {
// sb.append(" NOT NULL");
// }
}
// if (globalState.getDbmsSpecificOptions().testIndexes && Randomly.getBoolean()) {
// errors.add("Invalid type for index");
// List<PrestoColumn> primaryKeyColumns = Randomly.nonEmptySubset(columns);
// sb.append(", PRIMARY KEY(");
// sb.append(primaryKeyColumns.stream().map(c -> c.getName()).collect(Collectors.joining(", ")));
// sb.append(")");
// }
sb.append(")");
return new SQLQueryAdapter(sb.toString(), errors, true, false);
}
}