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DuckDBInsertGenerator.java
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53 lines (44 loc) · 1.91 KB
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package sqlancer.duckdb.gen;
import java.util.List;
import java.util.stream.Collectors;
import sqlancer.Randomly;
import sqlancer.common.gen.AbstractInsertGenerator;
import sqlancer.common.query.ExpectedErrors;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.duckdb.DuckDBErrors;
import sqlancer.duckdb.DuckDBProvider.DuckDBGlobalState;
import sqlancer.duckdb.DuckDBSchema.DuckDBColumn;
import sqlancer.duckdb.DuckDBSchema.DuckDBTable;
import sqlancer.duckdb.DuckDBToStringVisitor;
public class DuckDBInsertGenerator extends AbstractInsertGenerator<DuckDBColumn> {
private final DuckDBGlobalState globalState;
private final ExpectedErrors errors = new ExpectedErrors();
public DuckDBInsertGenerator(DuckDBGlobalState globalState) {
this.globalState = globalState;
}
public static SQLQueryAdapter getQuery(DuckDBGlobalState globalState) {
return new DuckDBInsertGenerator(globalState).generate();
}
private SQLQueryAdapter generate() {
sb.append("INSERT INTO ");
DuckDBTable table = globalState.getSchema().getRandomTable(t -> !t.isView());
List<DuckDBColumn> columns = table.getRandomNonEmptyColumnSubsetFilter(p -> !p.getName().equals("rowid"));
sb.append(table.getName());
sb.append("(");
sb.append(columns.stream().map(c -> c.getName()).collect(Collectors.joining(", ")));
sb.append(")");
sb.append(" VALUES ");
insertColumns(columns);
DuckDBErrors.addInsertErrors(errors);
return new SQLQueryAdapter(sb.toString(), errors);
}
@Override
protected void insertValue(DuckDBColumn columnDuckDB) {
// TODO: select a more meaningful value
if (Randomly.getBooleanWithRatherLowProbability()) {
sb.append("DEFAULT");
} else {
sb.append(DuckDBToStringVisitor.asString(new DuckDBExpressionGenerator(globalState).generateConstant()));
}
}
}