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[DuckDB] feat: Query index information for DuckDB dynamically #1171

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[DuckDB] feat: Query index information for DuckDB dynamically #1171

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036f8ef
query index info dynamically in duckdb
ahmed-kamal2004 Mar 20, 2025
eae46e7
feat: query index info for duckdb table dynamically
ahmed-kamal2004 Mar 20, 2025
85de922
resolving issues
ahmed-kamal2004 Mar 23, 2025
91b6579
remove duckdbindex
ahmed-kamal2004 Mar 23, 2025
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24 changes: 20 additions & 4 deletions src/sqlancer/duckdb/DuckDBSchema.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import sqlancer.IgnoreMeException;
Expand Down Expand Up @@ -218,8 +217,8 @@ private static DuckDBCompositeDataType getColumnType(String typeString) {

public static class DuckDBTable extends AbstractRelationalTable<DuckDBColumn, TableIndex, DuckDBGlobalState> {

public DuckDBTable(String tableName, List<DuckDBColumn> columns, boolean isView) {
super(tableName, columns, Collections.emptyList(), isView);
public DuckDBTable(String tableName, List<DuckDBColumn> columns, List<TableIndex> indexes, boolean isView) {
super(tableName, columns, indexes, isView);
}

}
Expand All @@ -233,7 +232,8 @@ public static DuckDBSchema fromConnection(SQLConnection con, String databaseName
}
List<DuckDBColumn> databaseColumns = getTableColumns(con, tableName);
boolean isView = tableName.startsWith("v");
DuckDBTable t = new DuckDBTable(tableName, databaseColumns, isView);
List<TableIndex> indexes = getIndexes(con, tableName, databaseName);
DuckDBTable t = new DuckDBTable(tableName, databaseColumns, indexes, isView);
for (DuckDBColumn c : databaseColumns) {
c.setTable(t);
}
Expand All @@ -243,6 +243,22 @@ public static DuckDBSchema fromConnection(SQLConnection con, String databaseName
return new DuckDBSchema(databaseTables);
}

private static List<TableIndex> getIndexes(SQLConnection con, String tableName, String databaseName)
throws SQLException {
List<TableIndex> indexes = new ArrayList<>();
try (Statement s = con.createStatement()) {
try (ResultSet rs = s.executeQuery(String.format(
"SELECT INDEX_NAME FROM duckdb_indexes() WHERE DATABASE_NAME = '%s' and TABLE_NAME = '%s';",
databaseName, tableName))) {
while (rs.next()) {
String indexName = rs.getString("INDEX_NAME");
indexes.add(TableIndex.create(indexName));
}
}
}
return indexes;
}

private static List<String> getTableNames(SQLConnection con) throws SQLException {
List<String> tableNames = new ArrayList<>();
try (Statement s = con.createStatement()) {
Expand Down
2 changes: 1 addition & 1 deletion src/sqlancer/duckdb/gen/DuckDBIndexGenerator.java
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Expand Up @@ -23,7 +23,7 @@ public static SQLQueryAdapter getQuery(DuckDBGlobalState globalState) {
sb.append("UNIQUE ");
}
sb.append("INDEX ");
sb.append(Randomly.fromOptions("i0", "i1", "i2", "i3", "i4")); // cannot query this information
sb.append(globalState.getSchema().getFreeIndexName());
sb.append(" ON ");
DuckDBTable table = globalState.getSchema().getRandomTable(t -> !t.isView());
sb.append(table.getName());
Expand Down
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