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Example 1 with SqlAlterTableCompact

use of org.apache.flink.sql.parser.ddl.SqlAlterTableCompact in project flink by apache.

the class SqlToOperationConverter method convertAlterTable.

/**
 * convert ALTER TABLE statement.
 */
private Operation convertAlterTable(SqlAlterTable sqlAlterTable) {
    UnresolvedIdentifier unresolvedIdentifier = UnresolvedIdentifier.of(sqlAlterTable.fullTableName());
    ObjectIdentifier tableIdentifier = catalogManager.qualifyIdentifier(unresolvedIdentifier);
    Optional<ContextResolvedTable> optionalCatalogTable = catalogManager.getTable(tableIdentifier);
    if (!optionalCatalogTable.isPresent() || optionalCatalogTable.get().isTemporary()) {
        throw new ValidationException(String.format("Table %s doesn't exist or is a temporary table.", tableIdentifier));
    }
    CatalogBaseTable baseTable = optionalCatalogTable.get().getTable();
    if (baseTable instanceof CatalogView) {
        throw new ValidationException("ALTER TABLE for a view is not allowed");
    }
    if (sqlAlterTable instanceof SqlAlterTableRename) {
        UnresolvedIdentifier newUnresolvedIdentifier = UnresolvedIdentifier.of(((SqlAlterTableRename) sqlAlterTable).fullNewTableName());
        ObjectIdentifier newTableIdentifier = catalogManager.qualifyIdentifier(newUnresolvedIdentifier);
        return new AlterTableRenameOperation(tableIdentifier, newTableIdentifier);
    } else if (sqlAlterTable instanceof SqlAlterTableOptions) {
        return convertAlterTableOptions(tableIdentifier, (CatalogTable) baseTable, (SqlAlterTableOptions) sqlAlterTable);
    } else if (sqlAlterTable instanceof SqlAlterTableReset) {
        return convertAlterTableReset(tableIdentifier, (CatalogTable) baseTable, (SqlAlterTableReset) sqlAlterTable);
    } else if (sqlAlterTable instanceof SqlAlterTableAddConstraint) {
        SqlTableConstraint constraint = ((SqlAlterTableAddConstraint) sqlAlterTable).getConstraint();
        validateTableConstraint(constraint);
        TableSchema oriSchema = TableSchema.fromResolvedSchema(baseTable.getUnresolvedSchema().resolve(catalogManager.getSchemaResolver()));
        // Sanity check for constraint.
        TableSchema.Builder builder = TableSchemaUtils.builderWithGivenSchema(oriSchema);
        if (constraint.getConstraintName().isPresent()) {
            builder.primaryKey(constraint.getConstraintName().get(), constraint.getColumnNames());
        } else {
            builder.primaryKey(constraint.getColumnNames());
        }
        builder.build();
        return new AlterTableAddConstraintOperation(tableIdentifier, constraint.getConstraintName().orElse(null), constraint.getColumnNames());
    } else if (sqlAlterTable instanceof SqlAlterTableDropConstraint) {
        SqlAlterTableDropConstraint dropConstraint = ((SqlAlterTableDropConstraint) sqlAlterTable);
        String constraintName = dropConstraint.getConstraintName().getSimple();
        TableSchema oriSchema = TableSchema.fromResolvedSchema(baseTable.getUnresolvedSchema().resolve(catalogManager.getSchemaResolver()));
        if (!oriSchema.getPrimaryKey().filter(pk -> pk.getName().equals(constraintName)).isPresent()) {
            throw new ValidationException(String.format("CONSTRAINT [%s] does not exist", constraintName));
        }
        return new AlterTableDropConstraintOperation(tableIdentifier, constraintName);
    } else if (sqlAlterTable instanceof SqlAddReplaceColumns) {
        return OperationConverterUtils.convertAddReplaceColumns(tableIdentifier, (SqlAddReplaceColumns) sqlAlterTable, (CatalogTable) baseTable, flinkPlanner.getOrCreateSqlValidator());
    } else if (sqlAlterTable instanceof SqlChangeColumn) {
        return OperationConverterUtils.convertChangeColumn(tableIdentifier, (SqlChangeColumn) sqlAlterTable, (CatalogTable) baseTable, flinkPlanner.getOrCreateSqlValidator());
    } else if (sqlAlterTable instanceof SqlAddPartitions) {
        List<CatalogPartitionSpec> specs = new ArrayList<>();
        List<CatalogPartition> partitions = new ArrayList<>();
        SqlAddPartitions addPartitions = (SqlAddPartitions) sqlAlterTable;
        for (int i = 0; i < addPartitions.getPartSpecs().size(); i++) {
            specs.add(new CatalogPartitionSpec(addPartitions.getPartitionKVs(i)));
            Map<String, String> props = OperationConverterUtils.extractProperties(addPartitions.getPartProps().get(i));
            partitions.add(new CatalogPartitionImpl(props, null));
        }
        return new AddPartitionsOperation(tableIdentifier, addPartitions.ifNotExists(), specs, partitions);
    } else if (sqlAlterTable instanceof SqlDropPartitions) {
        SqlDropPartitions dropPartitions = (SqlDropPartitions) sqlAlterTable;
        List<CatalogPartitionSpec> specs = new ArrayList<>();
        for (int i = 0; i < dropPartitions.getPartSpecs().size(); i++) {
            specs.add(new CatalogPartitionSpec(dropPartitions.getPartitionKVs(i)));
        }
        return new DropPartitionsOperation(tableIdentifier, dropPartitions.ifExists(), specs);
    } else if (sqlAlterTable instanceof SqlAlterTableCompact) {
        return convertAlterTableCompact(tableIdentifier, optionalCatalogTable.get(), (SqlAlterTableCompact) sqlAlterTable);
    } else {
        throw new ValidationException(String.format("[%s] needs to implement", sqlAlterTable.toSqlString(CalciteSqlDialect.DEFAULT)));
    }
}
Also used : ValidationException(org.apache.flink.table.api.ValidationException) TableSchema(org.apache.flink.table.api.TableSchema) SqlAlterTableReset(org.apache.flink.sql.parser.ddl.SqlAlterTableReset) ArrayList(java.util.ArrayList) AlterTableAddConstraintOperation(org.apache.flink.table.operations.ddl.AlterTableAddConstraintOperation) SqlAlterTableRename(org.apache.flink.sql.parser.ddl.SqlAlterTableRename) AlterTableDropConstraintOperation(org.apache.flink.table.operations.ddl.AlterTableDropConstraintOperation) SqlAddReplaceColumns(org.apache.flink.sql.parser.ddl.SqlAddReplaceColumns) SqlAddPartitions(org.apache.flink.sql.parser.ddl.SqlAddPartitions) SqlAlterTableAddConstraint(org.apache.flink.sql.parser.ddl.SqlAlterTableAddConstraint) SqlAlterTableCompact(org.apache.flink.sql.parser.ddl.SqlAlterTableCompact) ArrayList(java.util.ArrayList) List(java.util.List) SqlNodeList(org.apache.calcite.sql.SqlNodeList) SqlTableConstraint(org.apache.flink.sql.parser.ddl.constraint.SqlTableConstraint) CatalogView(org.apache.flink.table.catalog.CatalogView) AddPartitionsOperation(org.apache.flink.table.operations.ddl.AddPartitionsOperation) CatalogPartitionSpec(org.apache.flink.table.catalog.CatalogPartitionSpec) ObjectIdentifier(org.apache.flink.table.catalog.ObjectIdentifier) DropPartitionsOperation(org.apache.flink.table.operations.ddl.DropPartitionsOperation) CatalogBaseTable(org.apache.flink.table.catalog.CatalogBaseTable) UnresolvedIdentifier(org.apache.flink.table.catalog.UnresolvedIdentifier) CatalogTable(org.apache.flink.table.catalog.CatalogTable) ResolvedCatalogTable(org.apache.flink.table.catalog.ResolvedCatalogTable) SqlAlterTableAddConstraint(org.apache.flink.sql.parser.ddl.SqlAlterTableAddConstraint) SqlTableConstraint(org.apache.flink.sql.parser.ddl.constraint.SqlTableConstraint) RelHint(org.apache.calcite.rel.hint.RelHint) SqlAlterTableDropConstraint(org.apache.flink.sql.parser.ddl.SqlAlterTableDropConstraint) SqlChangeColumn(org.apache.flink.sql.parser.ddl.SqlChangeColumn) SqlAlterTableOptions(org.apache.flink.sql.parser.ddl.SqlAlterTableOptions) AlterTableRenameOperation(org.apache.flink.table.operations.ddl.AlterTableRenameOperation) SqlAlterTableDropConstraint(org.apache.flink.sql.parser.ddl.SqlAlterTableDropConstraint) ContextResolvedTable(org.apache.flink.table.catalog.ContextResolvedTable) Map(java.util.Map) LinkedHashMap(java.util.LinkedHashMap) HashMap(java.util.HashMap) CatalogPartitionImpl(org.apache.flink.table.catalog.CatalogPartitionImpl) SqlDropPartitions(org.apache.flink.sql.parser.ddl.SqlDropPartitions)

Aggregations

ArrayList (java.util.ArrayList)1 HashMap (java.util.HashMap)1 LinkedHashMap (java.util.LinkedHashMap)1 List (java.util.List)1 Map (java.util.Map)1 RelHint (org.apache.calcite.rel.hint.RelHint)1 SqlNodeList (org.apache.calcite.sql.SqlNodeList)1 SqlAddPartitions (org.apache.flink.sql.parser.ddl.SqlAddPartitions)1 SqlAddReplaceColumns (org.apache.flink.sql.parser.ddl.SqlAddReplaceColumns)1 SqlAlterTableAddConstraint (org.apache.flink.sql.parser.ddl.SqlAlterTableAddConstraint)1 SqlAlterTableCompact (org.apache.flink.sql.parser.ddl.SqlAlterTableCompact)1 SqlAlterTableDropConstraint (org.apache.flink.sql.parser.ddl.SqlAlterTableDropConstraint)1 SqlAlterTableOptions (org.apache.flink.sql.parser.ddl.SqlAlterTableOptions)1 SqlAlterTableRename (org.apache.flink.sql.parser.ddl.SqlAlterTableRename)1 SqlAlterTableReset (org.apache.flink.sql.parser.ddl.SqlAlterTableReset)1 SqlChangeColumn (org.apache.flink.sql.parser.ddl.SqlChangeColumn)1 SqlDropPartitions (org.apache.flink.sql.parser.ddl.SqlDropPartitions)1 SqlTableConstraint (org.apache.flink.sql.parser.ddl.constraint.SqlTableConstraint)1 TableSchema (org.apache.flink.table.api.TableSchema)1 ValidationException (org.apache.flink.table.api.ValidationException)1