Examples with AlterTableDesc org.apache.hadoop.hive.ql.plan.AlterTableDesc used on opensource projects

Example 6 with AlterTableDesc

use of org.apache.hadoop.hive.ql.plan.AlterTableDesc in project hive by apache.

the class DDLSemanticAnalyzer method analyzeAlterTableProps.

private void analyzeAlterTableProps(String[] qualified, HashMap<String, String> partSpec, ASTNode ast, boolean expectView, boolean isUnset) throws SemanticException {
    String tableName = getDotName(qualified);
    HashMap<String, String> mapProp = getProps((ASTNode) (ast.getChild(0)).getChild(0));
    EnvironmentContext environmentContext = null;
    // we need to check if the properties are valid, especially for stats.
    // they might be changed via alter table .. update statistics or
    // alter table .. set tblproperties. If the property is not row_count
    // or raw_data_size, it could not be changed through update statistics
    boolean changeStatsSucceeded = false;
    for (Entry<String, String> entry : mapProp.entrySet()) {
        // wrong.
        if (entry.getKey().equals(StatsSetupConst.ROW_COUNT) || entry.getKey().equals(StatsSetupConst.RAW_DATA_SIZE)) {
            try {
                Long.parseLong(entry.getValue());
                changeStatsSucceeded = true;
            } catch (Exception e) {
                throw new SemanticException("AlterTable " + entry.getKey() + " failed with value " + entry.getValue());
            }
        } else {
            if (queryState.getCommandType().equals(HiveOperation.ALTERTABLE_UPDATETABLESTATS.getOperationName()) || queryState.getCommandType().equals(HiveOperation.ALTERTABLE_UPDATEPARTSTATS.getOperationName())) {
                throw new SemanticException("AlterTable UpdateStats " + entry.getKey() + " failed because the only valid keys are " + StatsSetupConst.ROW_COUNT + " and " + StatsSetupConst.RAW_DATA_SIZE);
            }
        }
        if (changeStatsSucceeded) {
            environmentContext = new EnvironmentContext();
            environmentContext.putToProperties(StatsSetupConst.STATS_GENERATED, StatsSetupConst.USER);
        }
    }
    AlterTableDesc alterTblDesc = null;
    if (isUnset == true) {
        alterTblDesc = new AlterTableDesc(AlterTableTypes.DROPPROPS, partSpec, expectView);
        if (ast.getChild(1) != null) {
            alterTblDesc.setDropIfExists(true);
        }
    } else {
        alterTblDesc = new AlterTableDesc(AlterTableTypes.ADDPROPS, partSpec, expectView);
    }
    alterTblDesc.setProps(mapProp);
    alterTblDesc.setEnvironmentContext(environmentContext);
    alterTblDesc.setOldName(tableName);
    addInputsOutputsAlterTable(tableName, partSpec, alterTblDesc);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), alterTblDesc), conf));
}

Example 7 with AlterTableDesc

use of org.apache.hadoop.hive.ql.plan.AlterTableDesc in project hive by apache.

the class DDLSemanticAnalyzer method analyzeAlterTableDropConstraint.

private void analyzeAlterTableDropConstraint(ASTNode ast, String tableName) throws SemanticException {
    String dropConstraintName = unescapeIdentifier(ast.getChild(0).getText());
    AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, dropConstraintName);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), alterTblDesc), conf));
}

Example 8 with AlterTableDesc

use of org.apache.hadoop.hive.ql.plan.AlterTableDesc in project hive by apache.

the class DDLSemanticAnalyzer method analyzeAlterTableRename.

private void analyzeAlterTableRename(String[] source, ASTNode ast, boolean expectView) throws SemanticException {
    String[] target = getQualifiedTableName((ASTNode) ast.getChild(0));
    String sourceName = getDotName(source);
    String targetName = getDotName(target);
    AlterTableDesc alterTblDesc = new AlterTableDesc(sourceName, targetName, expectView);
    addInputsOutputsAlterTable(sourceName, null, alterTblDesc);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), alterTblDesc), conf));
}

Example 9 with AlterTableDesc

use of org.apache.hadoop.hive.ql.plan.AlterTableDesc in project hive by apache.

the class DDLSemanticAnalyzer method analyzeAlterTableModifyCols.

private void analyzeAlterTableModifyCols(String[] qualified, ASTNode ast, HashMap<String, String> partSpec, AlterTableTypes alterType) throws SemanticException {
    String tblName = getDotName(qualified);
    List<FieldSchema> newCols = getColumns((ASTNode) ast.getChild(0));
    boolean isCascade = false;
    if (null != ast.getFirstChildWithType(HiveParser.TOK_CASCADE)) {
        isCascade = true;
    }
    AlterTableDesc alterTblDesc = new AlterTableDesc(tblName, partSpec, newCols, alterType, isCascade);
    addInputsOutputsAlterTable(tblName, partSpec, alterTblDesc);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), alterTblDesc), conf));
}

Example 10 with AlterTableDesc

use of org.apache.hadoop.hive.ql.plan.AlterTableDesc in project hive by apache.

the class SemanticAnalyzer method setStatsForNonNativeTable.

@SuppressWarnings("unchecked")
private void setStatsForNonNativeTable(Table tab) throws SemanticException {
    String tableName = DDLSemanticAnalyzer.getDotName(new String[] { tab.getDbName(), tab.getTableName() });
    AlterTableDesc alterTblDesc = new AlterTableDesc(AlterTableTypes.DROPPROPS, null, false);
    HashMap<String, String> mapProp = new HashMap<>();
    mapProp.put(StatsSetupConst.COLUMN_STATS_ACCURATE, null);
    alterTblDesc.setOldName(tableName);
    alterTblDesc.setProps(mapProp);
    alterTblDesc.setDropIfExists(true);
    this.rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), alterTblDesc), conf));
}