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CnosDBInsertGenerator.java
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59 lines (50 loc) · 1.98 KB
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package sqlancer.cnosdb.gen;
import java.util.List;
import java.util.stream.Collectors;
import sqlancer.Randomly;
import sqlancer.cnosdb.CnosDBGlobalState;
import sqlancer.cnosdb.CnosDBSchema.CnosDBColumn;
import sqlancer.cnosdb.CnosDBSchema.CnosDBTable;
import sqlancer.cnosdb.CnosDBVisitor;
import sqlancer.cnosdb.ast.CnosDBExpression;
import sqlancer.cnosdb.query.CnosDBOtherQuery;
import sqlancer.common.query.ExpectedErrors;
import sqlancer.common.schema.AbstractTableColumn;
public final class CnosDBInsertGenerator {
private CnosDBInsertGenerator() {
}
public static CnosDBOtherQuery insert(CnosDBGlobalState globalState) {
CnosDBTable table = globalState.getSchema().getRandomTable();
ExpectedErrors errors = new ExpectedErrors();
errors.add("Column time cannot be null.");
StringBuilder sb = new StringBuilder();
sb.append("INSERT ");
sb.append(table.getName());
List<CnosDBColumn> columns = table.getRandomNonEmptyColumnSubset();
sb.append("(");
sb.append(columns.stream().map(AbstractTableColumn::getName).collect(Collectors.joining(", ")));
sb.append(")");
sb.append(" VALUES");
int n = Randomly.smallNumber() + 1;
for (int i = 0; i < n; i++) {
if (i != 0) {
sb.append(", ");
}
insertRow(globalState, sb, columns);
}
// error
return new CnosDBOtherQuery(sb.toString(), errors);
}
private static void insertRow(CnosDBGlobalState globalState, StringBuilder sb, List<CnosDBColumn> columns) {
sb.append("(");
for (int i = 0; i < columns.size(); i++) {
if (i > 0) {
sb.append(", ");
}
CnosDBExpression generateConstant = CnosDBExpressionGenerator.generateConstant(globalState.getRandomly(),
columns.get(i).getType());
sb.append(CnosDBVisitor.asString(generateConstant));
}
sb.append(")");
}
}