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

Example 1 with ShowColumnsDesc

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

the class DDLTask method execute.

@Override
public int execute(DriverContext driverContext) {
    if (driverContext.getCtx().getExplainAnalyze() == AnalyzeState.RUNNING) {
        return 0;
    }
    // Create the db
    Hive db;
    try {
        db = Hive.get(conf);
        CreateDatabaseDesc createDatabaseDesc = work.getCreateDatabaseDesc();
        if (null != createDatabaseDesc) {
            return createDatabase(db, createDatabaseDesc);
        }
        DropDatabaseDesc dropDatabaseDesc = work.getDropDatabaseDesc();
        if (dropDatabaseDesc != null) {
            return dropDatabase(db, dropDatabaseDesc);
        }
        LockDatabaseDesc lockDatabaseDesc = work.getLockDatabaseDesc();
        if (lockDatabaseDesc != null) {
            return lockDatabase(db, lockDatabaseDesc);
        }
        UnlockDatabaseDesc unlockDatabaseDesc = work.getUnlockDatabaseDesc();
        if (unlockDatabaseDesc != null) {
            return unlockDatabase(db, unlockDatabaseDesc);
        }
        SwitchDatabaseDesc switchDatabaseDesc = work.getSwitchDatabaseDesc();
        if (switchDatabaseDesc != null) {
            return switchDatabase(db, switchDatabaseDesc);
        }
        DescDatabaseDesc descDatabaseDesc = work.getDescDatabaseDesc();
        if (descDatabaseDesc != null) {
            return descDatabase(db, descDatabaseDesc);
        }
        AlterDatabaseDesc alterDatabaseDesc = work.getAlterDatabaseDesc();
        if (alterDatabaseDesc != null) {
            return alterDatabase(db, alterDatabaseDesc);
        }
        CreateTableDesc crtTbl = work.getCreateTblDesc();
        if (crtTbl != null) {
            return createTable(db, crtTbl);
        }
        CreateIndexDesc crtIndex = work.getCreateIndexDesc();
        if (crtIndex != null) {
            return createIndex(db, crtIndex);
        }
        AlterIndexDesc alterIndex = work.getAlterIndexDesc();
        if (alterIndex != null) {
            return alterIndex(db, alterIndex);
        }
        DropIndexDesc dropIdx = work.getDropIdxDesc();
        if (dropIdx != null) {
            return dropIndex(db, dropIdx);
        }
        CreateTableLikeDesc crtTblLike = work.getCreateTblLikeDesc();
        if (crtTblLike != null) {
            return createTableLike(db, crtTblLike);
        }
        DropTableDesc dropTbl = work.getDropTblDesc();
        if (dropTbl != null) {
            dropTableOrPartitions(db, dropTbl);
            return 0;
        }
        AlterTableDesc alterTbl = work.getAlterTblDesc();
        if (alterTbl != null) {
            if (alterTbl.getOp() == AlterTableTypes.DROPCONSTRAINT) {
                return dropConstraint(db, alterTbl);
            } else if (alterTbl.getOp() == AlterTableTypes.ADDCONSTRAINT) {
                return addConstraint(db, alterTbl);
            } else {
                return alterTable(db, alterTbl);
            }
        }
        CreateViewDesc crtView = work.getCreateViewDesc();
        if (crtView != null) {
            return createView(db, crtView);
        }
        AddPartitionDesc addPartitionDesc = work.getAddPartitionDesc();
        if (addPartitionDesc != null) {
            return addPartitions(db, addPartitionDesc);
        }
        RenamePartitionDesc renamePartitionDesc = work.getRenamePartitionDesc();
        if (renamePartitionDesc != null) {
            return renamePartition(db, renamePartitionDesc);
        }
        AlterTableSimpleDesc simpleDesc = work.getAlterTblSimpleDesc();
        if (simpleDesc != null) {
            if (simpleDesc.getType() == AlterTableTypes.TOUCH) {
                return touch(db, simpleDesc);
            } else if (simpleDesc.getType() == AlterTableTypes.ARCHIVE) {
                return archive(db, simpleDesc, driverContext);
            } else if (simpleDesc.getType() == AlterTableTypes.UNARCHIVE) {
                return unarchive(db, simpleDesc);
            } else if (simpleDesc.getType() == AlterTableTypes.COMPACT) {
                return compact(db, simpleDesc);
            }
        }
        MsckDesc msckDesc = work.getMsckDesc();
        if (msckDesc != null) {
            return msck(db, msckDesc);
        }
        DescTableDesc descTbl = work.getDescTblDesc();
        if (descTbl != null) {
            return describeTable(db, descTbl);
        }
        DescFunctionDesc descFunc = work.getDescFunctionDesc();
        if (descFunc != null) {
            return describeFunction(db, descFunc);
        }
        ShowDatabasesDesc showDatabases = work.getShowDatabasesDesc();
        if (showDatabases != null) {
            return showDatabases(db, showDatabases);
        }
        ShowTablesDesc showTbls = work.getShowTblsDesc();
        if (showTbls != null) {
            return showTablesOrViews(db, showTbls);
        }
        ShowColumnsDesc showCols = work.getShowColumnsDesc();
        if (showCols != null) {
            return showColumns(db, showCols);
        }
        ShowTableStatusDesc showTblStatus = work.getShowTblStatusDesc();
        if (showTblStatus != null) {
            return showTableStatus(db, showTblStatus);
        }
        ShowTblPropertiesDesc showTblProperties = work.getShowTblPropertiesDesc();
        if (showTblProperties != null) {
            return showTableProperties(db, showTblProperties);
        }
        ShowFunctionsDesc showFuncs = work.getShowFuncsDesc();
        if (showFuncs != null) {
            return showFunctions(db, showFuncs);
        }
        ShowLocksDesc showLocks = work.getShowLocksDesc();
        if (showLocks != null) {
            return showLocks(db, showLocks);
        }
        ShowCompactionsDesc compactionsDesc = work.getShowCompactionsDesc();
        if (compactionsDesc != null) {
            return showCompactions(db, compactionsDesc);
        }
        ShowTxnsDesc txnsDesc = work.getShowTxnsDesc();
        if (txnsDesc != null) {
            return showTxns(db, txnsDesc);
        }
        AbortTxnsDesc abortTxnsDesc = work.getAbortTxnsDesc();
        if (abortTxnsDesc != null) {
            return abortTxns(db, abortTxnsDesc);
        }
        LockTableDesc lockTbl = work.getLockTblDesc();
        if (lockTbl != null) {
            return lockTable(db, lockTbl);
        }
        UnlockTableDesc unlockTbl = work.getUnlockTblDesc();
        if (unlockTbl != null) {
            return unlockTable(db, unlockTbl);
        }
        ShowPartitionsDesc showParts = work.getShowPartsDesc();
        if (showParts != null) {
            return showPartitions(db, showParts);
        }
        ShowCreateDatabaseDesc showCreateDb = work.getShowCreateDbDesc();
        if (showCreateDb != null) {
            return showCreateDatabase(db, showCreateDb);
        }
        ShowCreateTableDesc showCreateTbl = work.getShowCreateTblDesc();
        if (showCreateTbl != null) {
            return showCreateTable(db, showCreateTbl);
        }
        ShowConfDesc showConf = work.getShowConfDesc();
        if (showConf != null) {
            return showConf(db, showConf);
        }
        RoleDDLDesc roleDDLDesc = work.getRoleDDLDesc();
        if (roleDDLDesc != null) {
            return roleDDL(db, roleDDLDesc);
        }
        GrantDesc grantDesc = work.getGrantDesc();
        if (grantDesc != null) {
            return grantOrRevokePrivileges(db, grantDesc.getPrincipals(), grantDesc.getPrivileges(), grantDesc.getPrivilegeSubjectDesc(), grantDesc.getGrantor(), grantDesc.getGrantorType(), grantDesc.isGrantOption(), true);
        }
        RevokeDesc revokeDesc = work.getRevokeDesc();
        if (revokeDesc != null) {
            return grantOrRevokePrivileges(db, revokeDesc.getPrincipals(), revokeDesc.getPrivileges(), revokeDesc.getPrivilegeSubjectDesc(), null, null, revokeDesc.isGrantOption(), false);
        }
        ShowGrantDesc showGrantDesc = work.getShowGrantDesc();
        if (showGrantDesc != null) {
            return showGrants(db, showGrantDesc);
        }
        GrantRevokeRoleDDL grantOrRevokeRoleDDL = work.getGrantRevokeRoleDDL();
        if (grantOrRevokeRoleDDL != null) {
            return grantOrRevokeRole(db, grantOrRevokeRoleDDL);
        }
        ShowIndexesDesc showIndexes = work.getShowIndexesDesc();
        if (showIndexes != null) {
            return showIndexes(db, showIndexes);
        }
        AlterTablePartMergeFilesDesc mergeFilesDesc = work.getMergeFilesDesc();
        if (mergeFilesDesc != null) {
            return mergeFiles(db, mergeFilesDesc, driverContext);
        }
        AlterTableAlterPartDesc alterPartDesc = work.getAlterTableAlterPartDesc();
        if (alterPartDesc != null) {
            return alterTableAlterPart(db, alterPartDesc);
        }
        TruncateTableDesc truncateTableDesc = work.getTruncateTblDesc();
        if (truncateTableDesc != null) {
            return truncateTable(db, truncateTableDesc);
        }
        AlterTableExchangePartition alterTableExchangePartition = work.getAlterTableExchangePartition();
        if (alterTableExchangePartition != null) {
            return exchangeTablePartition(db, alterTableExchangePartition);
        }
        CacheMetadataDesc cacheMetadataDesc = work.getCacheMetadataDesc();
        if (cacheMetadataDesc != null) {
            return cacheMetadata(db, cacheMetadataDesc);
        }
        InsertTableDesc insertTableDesc = work.getInsertTableDesc();
        if (insertTableDesc != null) {
            return insertCommitWork(db, insertTableDesc);
        }
        PreInsertTableDesc preInsertTableDesc = work.getPreInsertTableDesc();
        if (preInsertTableDesc != null) {
            return preInsertWork(db, preInsertTableDesc);
        }
    } catch (Throwable e) {
        failed(e);
        return 1;
    }
    assert false;
    return 0;
}

Example 2 with ShowColumnsDesc

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

the class DDLSemanticAnalyzer method analyzeShowColumns.

private void analyzeShowColumns(ASTNode ast) throws SemanticException {
    String tableName = getUnescapedName((ASTNode) ast.getChild(0));
    if (ast.getChildCount() > 1) {
        if (tableName.contains(".")) {
            throw new SemanticException("Duplicates declaration for database name");
        }
        tableName = getUnescapedName((ASTNode) ast.getChild(1)) + "." + tableName;
    }
    Table tab = getTable(tableName);
    inputs.add(new ReadEntity(tab));
    ShowColumnsDesc showColumnsDesc = new ShowColumnsDesc(ctx.getResFile(), tableName);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), showColumnsDesc), conf));
    setFetchTask(createFetchTask(showColumnsDesc.getSchema()));
}