Examples with IgniteSqlCreateTableOption org.apache.ignite.internal.sql.engine.sql.IgniteSqlCreateTableOption used on opensource projects

Example 1 with IgniteSqlCreateTableOption

use of org.apache.ignite.internal.sql.engine.sql.IgniteSqlCreateTableOption in project ignite-3 by apache.

the class DdlSqlToCommandConverter method convertCreateTable.

/**
 * Converts a given CreateTable AST to a CreateTable command.
 *
 * @param createTblNode Root node of the given AST.
 * @param ctx           Planning context.
 */
private CreateTableCommand convertCreateTable(IgniteSqlCreateTable createTblNode, PlanningContext ctx) {
    CreateTableCommand createTblCmd = new CreateTableCommand();
    createTblCmd.schemaName(deriveSchemaName(createTblNode.name(), ctx));
    createTblCmd.tableName(deriveObjectName(createTblNode.name(), ctx, "tableName"));
    createTblCmd.ifTableExists(createTblNode.ifNotExists());
    if (createTblNode.createOptionList() != null) {
        for (SqlNode optNode : createTblNode.createOptionList().getList()) {
            IgniteSqlCreateTableOption opt = (IgniteSqlCreateTableOption) optNode;
            tblOptionProcessors.getOrDefault(opt.key(), UNSUPPORTED_OPTION_PROCESSOR).process(opt, ctx, createTblCmd);
        }
    }
    List<SqlKeyConstraint> pkConstraints = createTblNode.columnList().getList().stream().filter(SqlKeyConstraint.class::isInstance).map(SqlKeyConstraint.class::cast).collect(Collectors.toList());
    if (nullOrEmpty(pkConstraints)) {
        throw new IgniteException("Table without PRIMARY KEY is not supported");
    } else if (pkConstraints.size() > 1) {
        throw new IgniteException("Unexpected amount of primary key constraints [" + "expected at most one, but was " + pkConstraints.size() + "; " + "querySql=\"" + ctx.query() + "\"]");
    }
    Set<String> dedupSetPk = new HashSet<>();
    List<String> pkCols = pkConstraints.stream().map(pk -> pk.getOperandList().get(1)).map(SqlNodeList.class::cast).flatMap(l -> l.getList().stream()).map(SqlIdentifier.class::cast).map(SqlIdentifier::getSimple).filter(dedupSetPk::add).collect(Collectors.toList());
    createTblCmd.primaryKeyColumns(pkCols);
    List<SqlColumnDeclaration> colDeclarations = createTblNode.columnList().getList().stream().filter(SqlColumnDeclaration.class::isInstance).map(SqlColumnDeclaration.class::cast).collect(Collectors.toList());
    IgnitePlanner planner = ctx.planner();
    List<ColumnDefinition> cols = new ArrayList<>(colDeclarations.size());
    for (SqlColumnDeclaration col : colDeclarations) {
        if (!col.name.isSimple()) {
            throw new IgniteException("Unexpected value of columnName [" + "expected a simple identifier, but was " + col.name + "; " + "querySql=\"" + ctx.query() + "\"]");
        }
        String name = col.name.getSimple();
        if (col.dataType.getNullable() != null && col.dataType.getNullable() && dedupSetPk.contains(name)) {
            throw new IgniteException("Primary key cannot contain nullable column [col=" + name + "]");
        }
        RelDataType relType = planner.convert(col.dataType, !dedupSetPk.contains(name));
        dedupSetPk.remove(name);
        Object dflt = null;
        if (col.expression != null) {
            dflt = ((SqlLiteral) col.expression).getValue();
        }
        cols.add(new ColumnDefinition(name, relType, dflt));
    }
    if (!dedupSetPk.isEmpty()) {
        throw new IgniteException("Primary key constrain contains undefined columns: [cols=" + dedupSetPk + "]");
    }
    createTblCmd.columns(cols);
    return createTblCmd;
}