use of io.trino.sql.tree.Insert in project trino by trinodb.
the class LogicalPlanner method getInsertPlan.
private RelationPlan getInsertPlan(Analysis analysis, Table table, Query query, TableHandle tableHandle, List<ColumnHandle> insertColumns, Optional<TableLayout> newTableLayout, Optional<WriterTarget> materializedViewRefreshWriterTarget) {
TableMetadata tableMetadata = metadata.getTableMetadata(session, tableHandle);
Map<NodeRef<LambdaArgumentDeclaration>, Symbol> lambdaDeclarationToSymbolMap = buildLambdaDeclarationToSymbolMap(analysis, symbolAllocator);
RelationPlanner planner = new RelationPlanner(analysis, symbolAllocator, idAllocator, lambdaDeclarationToSymbolMap, plannerContext, Optional.empty(), session, ImmutableMap.of());
RelationPlan plan = planner.process(query, null);
ImmutableList.Builder<Symbol> builder = ImmutableList.builder();
for (int i = 0; i < plan.getFieldMappings().size(); i++) {
if (!plan.getDescriptor().getFieldByIndex(i).isHidden()) {
builder.add(plan.getFieldMappings().get(i));
}
}
List<Symbol> visibleFieldMappings = builder.build();
Map<String, ColumnHandle> columns = metadata.getColumnHandles(session, tableHandle);
Assignments.Builder assignments = Assignments.builder();
boolean supportsMissingColumnsOnInsert = metadata.supportsMissingColumnsOnInsert(session, tableHandle);
ImmutableList.Builder<ColumnMetadata> insertedColumnsBuilder = ImmutableList.builder();
for (ColumnMetadata column : tableMetadata.getColumns()) {
if (column.isHidden()) {
continue;
}
Symbol output = symbolAllocator.newSymbol(column.getName(), column.getType());
int index = insertColumns.indexOf(columns.get(column.getName()));
if (index < 0) {
if (supportsMissingColumnsOnInsert) {
continue;
}
Expression cast = new Cast(new NullLiteral(), toSqlType(column.getType()));
assignments.put(output, cast);
insertedColumnsBuilder.add(column);
} else {
Symbol input = visibleFieldMappings.get(index);
Type tableType = column.getType();
Type queryType = symbolAllocator.getTypes().get(input);
if (queryType.equals(tableType) || typeCoercion.isTypeOnlyCoercion(queryType, tableType)) {
assignments.put(output, input.toSymbolReference());
} else {
Expression cast = noTruncationCast(input.toSymbolReference(), queryType, tableType);
assignments.put(output, cast);
}
insertedColumnsBuilder.add(column);
}
}
ProjectNode projectNode = new ProjectNode(idAllocator.getNextId(), plan.getRoot(), assignments.build());
List<ColumnMetadata> insertedColumns = insertedColumnsBuilder.build();
List<Field> fields = insertedColumns.stream().map(column -> Field.newUnqualified(column.getName(), column.getType())).collect(toImmutableList());
Scope scope = Scope.builder().withRelationType(RelationId.anonymous(), new RelationType(fields)).build();
plan = new RelationPlan(projectNode, scope, projectNode.getOutputSymbols(), Optional.empty());
plan = planner.addRowFilters(table, plan, failIfPredicateIsNotMeet(metadata, session, PERMISSION_DENIED, AccessDeniedException.PREFIX + "Cannot insert row that does not match to a row filter"), node -> {
Scope accessControlScope = analysis.getAccessControlScope(table);
// hidden fields are not accessible in insert
return Scope.builder().like(accessControlScope).withRelationType(accessControlScope.getRelationId(), accessControlScope.getRelationType().withOnlyVisibleFields()).build();
});
List<String> insertedTableColumnNames = insertedColumns.stream().map(ColumnMetadata::getName).collect(toImmutableList());
String catalogName = tableHandle.getCatalogName().getCatalogName();
TableStatisticsMetadata statisticsMetadata = metadata.getStatisticsCollectionMetadataForWrite(session, catalogName, tableMetadata.getMetadata());
if (materializedViewRefreshWriterTarget.isPresent()) {
return createTableWriterPlan(analysis, plan.getRoot(), plan.getFieldMappings(), materializedViewRefreshWriterTarget.get(), insertedTableColumnNames, insertedColumns, newTableLayout, statisticsMetadata);
}
InsertReference insertTarget = new InsertReference(tableHandle, insertedTableColumnNames.stream().map(columns::get).collect(toImmutableList()));
return createTableWriterPlan(analysis, plan.getRoot(), plan.getFieldMappings(), insertTarget, insertedTableColumnNames, insertedColumns, newTableLayout, statisticsMetadata);
}
use of io.trino.sql.tree.Insert in project trino by trinodb.
the class QueryRewriter method rewriteInsertQuery.
private Query rewriteInsertQuery(Connection connection, Query query, Insert statement) throws SQLException, QueryRewriteException {
QualifiedName temporaryTableName = generateTemporaryTableName(statement.getTarget());
Statement createTemporaryTable = new CreateTable(temporaryTableName, ImmutableList.of(new LikeClause(statement.getTarget(), Optional.of(INCLUDING))), true, ImmutableList.of(), Optional.empty());
String createTemporaryTableSql = formatSql(createTemporaryTable);
String insertSql = formatSql(new Insert(new Table(temporaryTableName), statement.getColumns(), statement.getQuery()));
String checksumSql = checksumSql(getColumnsForTable(connection, query.getCatalog(), query.getSchema(), statement.getTarget().toString()), temporaryTableName);
String dropTableSql = dropTableSql(temporaryTableName);
return new Query(query.getCatalog(), query.getSchema(), ImmutableList.of(createTemporaryTableSql, insertSql), checksumSql, ImmutableList.of(dropTableSql), query.getUsername(), query.getPassword(), query.getSessionProperties());
}
use of io.trino.sql.tree.Insert in project trino by trinodb.
the class TestSqlParser method testInsertInto.
@Test
public void testInsertInto() {
Table table = new Table(QualifiedName.of("a", "b/c", "d"));
Query query = simpleQuery(selectList(new AllColumns()), table(QualifiedName.of("t")));
assertStatement("INSERT INTO a.\"b/c\".d SELECT * FROM t", new Insert(table, Optional.empty(), query));
assertStatement("INSERT INTO a.\"b/c\".d (c1, c2) SELECT * FROM t", new Insert(table, Optional.of(ImmutableList.of(identifier("c1"), identifier("c2"))), query));
}
use of io.trino.sql.tree.Insert in project trino by trinodb.
the class TestShadowing method testInsert.
@Test
public void testInsert() throws Exception {
handle.execute("CREATE TABLE \"test_insert_table\" (a BIGINT, b DOUBLE, c VARCHAR)");
SqlParser parser = new SqlParser();
Query query = new Query(CATALOG, SCHEMA, ImmutableList.of(), "INSERT INTO test_insert_table (b, a, c) values (1.1, 1, 'a'), (2.0, 2, 'b'), (3.1, 3, 'c')", ImmutableList.of(), null, null, ImmutableMap.of());
QueryRewriter rewriter = new QueryRewriter(parser, URL, QualifiedName.of("other_catalog", "other_schema", "tmp_"), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty(), 1, new Duration(10, SECONDS));
Query rewrittenQuery = rewriter.shadowQuery(query);
assertEquals(rewrittenQuery.getPreQueries().size(), 2);
CreateTable createTable = (CreateTable) parser.createStatement(rewrittenQuery.getPreQueries().get(0), PARSING_OPTIONS);
assertEquals(createTable.getName().getParts().size(), 3);
assertEquals(createTable.getName().getPrefix().get(), QualifiedName.of("other_catalog", "other_schema"));
assertTrue(createTable.getName().getSuffix().startsWith("tmp_"));
assertFalse(createTable.getName().getSuffix().contains("test_insert_table"));
Insert insert = (Insert) parser.createStatement(rewrittenQuery.getPreQueries().get(1), PARSING_OPTIONS);
assertEquals(insert.getTarget(), createTable.getName());
assertEquals(insert.getColumns(), Optional.of(ImmutableList.of(identifier("b"), identifier("a"), identifier("c"))));
Table table = new Table(createTable.getName());
SingleColumn columnA = new SingleColumn(new FunctionCall(QualifiedName.of("checksum"), ImmutableList.of(new Identifier("A"))));
SingleColumn columnB = new SingleColumn(new FunctionCall(QualifiedName.of("checksum"), ImmutableList.of(new FunctionCall(QualifiedName.of("round"), ImmutableList.of(new Identifier("B"), new LongLiteral("1"))))));
SingleColumn columnC = new SingleColumn(new FunctionCall(QualifiedName.of("checksum"), ImmutableList.of(new Identifier("C"))));
assertEquals(parser.createStatement(rewrittenQuery.getQuery(), PARSING_OPTIONS), simpleQuery(selectList(columnA, columnB, columnC), table));
assertEquals(rewrittenQuery.getPostQueries().size(), 1);
assertEquals(parser.createStatement(rewrittenQuery.getPostQueries().get(0), PARSING_OPTIONS), new DropTable(createTable.getName(), true));
}
Aggregations