Java Code Examples for org.apache.kylin.metadata.model.TblColRef#getTableAlias()
The following examples show how to use
org.apache.kylin.metadata.model.TblColRef#getTableAlias() .
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Example 1
| Source File: FlatTableSqlQuoteUtils.java From kylin-on-parquet-v2 with Apache License 2.0 | 6 votes |
|
private static Map<String, Map<String, String>> buildTableToColumnsMap(IJoinedFlatTableDesc flatDesc) {
Map<String, Map<String, String>> map = Maps.newHashMap();
List<TblColRef> colRefs = flatDesc.getAllColumns();
for (TblColRef colRef : colRefs) {
String colName = colRef.getName();
String tableName = colRef.getTableRef().getTableName();
String colAlias = colRef.getTableAlias() + "_" + colRef.getName();
if (map.containsKey(tableName)) {
map.get(tableName).put(colName, colAlias);
} else {
Map<String, String> colToAliasMap = Maps.newHashMap();
colToAliasMap.put(colName, colAlias);
map.put(tableName, colToAliasMap);
}
}
return map;
}
Example 2
| Source File: FlatTableSqlQuoteUtils.java From kylin with Apache License 2.0 | 6 votes |
|
private static Map<String, Map<String, String>> buildTableToColumnsMap(IJoinedFlatTableDesc flatDesc) {
Map<String, Map<String, String>> map = Maps.newHashMap();
List<TblColRef> colRefs = flatDesc.getAllColumns();
for (TblColRef colRef : colRefs) {
String colName = colRef.getName();
String tableName = colRef.getTableRef().getTableName();
String colAlias = colRef.getTableAlias() + "_" + colRef.getName();
if (map.containsKey(tableName)) {
map.get(tableName).put(colName, colAlias);
} else {
Map<String, String> colToAliasMap = Maps.newHashMap();
colToAliasMap.put(colName, colAlias);
map.put(tableName, colToAliasMap);
}
}
return map;
}
Example 3
| Source File: FlatTableSqlQuoteUtils.java From kylin-on-parquet-v2 with Apache License 2.0 | 5 votes |
|
private static Map<String, String> buildTableToTableAliasMap(IJoinedFlatTableDesc flatDesc) {
Map<String, String> map = Maps.newHashMap();
List<TblColRef> colRefs = flatDesc.getAllColumns();
for (TblColRef colRef : colRefs) {
String tableName = colRef.getTableRef().getTableName();
String alias = colRef.getTableAlias();
map.put(tableName, alias);
}
return map;
}
Example 4
| Source File: FlatTableSqlQuoteUtils.java From kylin with Apache License 2.0 | 5 votes |
|
private static Map<String, String> buildTableToTableAliasMap(IJoinedFlatTableDesc flatDesc) {
Map<String, String> map = Maps.newHashMap();
List<TblColRef> colRefs = flatDesc.getAllColumns();
for (TblColRef colRef : colRefs) {
String tableName = colRef.getTableRef().getTableName();
String alias = colRef.getTableAlias();
map.put(tableName, alias);
}
return map;
}
Example 5
| Source File: JdbcHiveInputBase.java From kylin-on-parquet-v2 with Apache License 2.0 | 4 votes |
|
protected AbstractExecutable createSqoopToFlatHiveStep(String jobWorkingDir, String cubeName) {
KylinConfig config = getConfig();
PartitionDesc partitionDesc = flatDesc.getDataModel().getPartitionDesc();
String partCol = null;
if (partitionDesc.isPartitioned()) {
partCol = partitionDesc.getPartitionDateColumn();//tablename.colname
}
String splitTableAlias;
String splitColumn;
String splitDatabase;
TblColRef splitColRef = determineSplitColumn();
splitTableAlias = splitColRef.getTableAlias();
splitColumn = getColumnIdentityQuoted(splitColRef, jdbcMetadataDialect, metaMap, true);
splitDatabase = splitColRef.getColumnDesc().getTable().getDatabase();
String selectSql = generateSelectDataStatementRDBMS(flatDesc, true, new String[] { partCol },
jdbcMetadataDialect, metaMap);
selectSql = escapeQuotationInSql(selectSql);
String hiveTable = flatDesc.getTableName();
String connectionUrl = config.getJdbcSourceConnectionUrl();
String driverClass = config.getJdbcSourceDriver();
String jdbcUser = config.getJdbcSourceUser();
String jdbcPass = config.getJdbcSourcePass();
String sqoopHome = config.getSqoopHome();
String sqoopNullString = config.getSqoopNullString();
String sqoopNullNonString = config.getSqoopNullNonString();
String filedDelimiter = config.getJdbcSourceFieldDelimiter();
int mapperNum = config.getSqoopMapperNum();
String bquery = String.format(Locale.ROOT, "SELECT min(%s), max(%s) FROM %s.%s ", splitColumn,
splitColumn, getSchemaQuoted(metaMap, splitDatabase, jdbcMetadataDialect, true),
getTableIdentityQuoted(splitColRef.getTableRef(), metaMap, jdbcMetadataDialect, true));
if (partitionDesc.isPartitioned()) {
SegmentRange segRange = flatDesc.getSegRange();
if (segRange != null && !segRange.isInfinite()) {
if (partitionDesc.getPartitionDateColumnRef().getTableAlias().equals(splitTableAlias)
&& (partitionDesc.getPartitionTimeColumnRef() == null || partitionDesc
.getPartitionTimeColumnRef().getTableAlias().equals(splitTableAlias))) {
String quotedPartCond = partitionDesc.getPartitionConditionBuilder().buildDateRangeCondition(
partitionDesc, flatDesc.getSegment(), segRange,
col -> getTableColumnIdentityQuoted(col, jdbcMetadataDialect, metaMap, true));
bquery += " WHERE " + quotedPartCond;
}
}
}
bquery = escapeQuotationInSql(bquery);
// escape ` in cmd
splitColumn = escapeQuotationInSql(splitColumn);
String cmd = String.format(Locale.ROOT, "%s/bin/sqoop import" + generateSqoopConfigArgString()
+ "--connect \"%s\" --driver %s --username %s --password \"%s\" --query \"%s AND \\$CONDITIONS\" "
+ "--target-dir %s/%s --split-by %s --boundary-query \"%s\" --null-string '%s' "
+ "--null-non-string '%s' --fields-terminated-by '%s' --num-mappers %d", sqoopHome, connectionUrl,
driverClass, jdbcUser, jdbcPass, selectSql, jobWorkingDir, hiveTable, splitColumn, bquery,
sqoopNullString, sqoopNullNonString, filedDelimiter, mapperNum);
logger.debug("sqoop cmd : {}", cmd);
CmdStep step = new CmdStep();
step.setCmd(cmd);
step.setName(ExecutableConstants.STEP_NAME_SQOOP_TO_FLAT_HIVE_TABLE);
return step;
}
Example 6
| Source File: JdbcHiveInputBase.java From kylin-on-parquet-v2 with Apache License 2.0 | 4 votes |
|
@Override
protected AbstractExecutable createSqoopToFlatHiveStep(String jobWorkingDir, String cubeName) {
KylinConfig config = flatDesc.getDataModel().getConfig();
PartitionDesc partitionDesc = flatDesc.getDataModel().getPartitionDesc();
String partCol = null;
boolean enableQuote = dataSource.getSqlConverter().getConfigurer().enableQuote();
SqlDialect sqlDialect = enableQuote ? dataSource.getSqlConverter().getConfigurer().getSqlDialect() : FlatTableSqlQuoteUtils.NON_QUOTE_DIALECT;
SqlConverter.IConfigurer iconfigurer = dataSource.getSqlConverter().getConfigurer();
if (partitionDesc.isPartitioned()) {
partCol = partitionDesc.getPartitionDateColumn(); //tablename.colname
}
String splitTable;
String splitTableAlias;
String splitColumn;
String splitDatabase;
TblColRef splitColRef = determineSplitColumn();
splitTable = splitColRef.getTableRef().getTableDesc().getName();
splitTableAlias = splitColRef.getTableAlias();
splitDatabase = splitColRef.getColumnDesc().getTable().getDatabase();
if (enableQuote) {
splitColumn = sqlDialect.quoteIdentifier(splitColRef.getTableAlias()) + "."
+ sqlDialect.quoteIdentifier(splitColRef.getName());
splitDatabase = sqlDialect.quoteIdentifier(splitDatabase);
splitTable = sqlDialect.quoteIdentifier(splitTable);
splitTableAlias = sqlDialect.quoteIdentifier(splitTableAlias);
} else {
splitColumn = splitColRef.getTableAlias() + "." + splitColRef.getName();
}
String selectSql = JoinedFlatTable.generateSelectDataStatement(flatDesc, true, new String[]{partCol}, sqlDialect);
selectSql = escapeQuotationInSql(dataSource.convertSql(selectSql));
String hiveTable = flatDesc.getTableName();
String filedDelimiter = config.getJdbcSourceFieldDelimiter();
int mapperNum = config.getSqoopMapperNum();
String bquery;
bquery = String.format(Locale.ROOT, "SELECT min(%s), max(%s) FROM %s.%s as %s",
splitColumn, splitColumn, splitDatabase, splitTable, splitTableAlias);
bquery = dataSource.convertSql(bquery);
if (partitionDesc.isPartitioned()) {
SegmentRange segRange = flatDesc.getSegRange();
if (segRange != null && !segRange.isInfinite()) {
if (partitionDesc.getPartitionDateColumnRef().getTableAlias().equals(splitTableAlias)
&& (partitionDesc.getPartitionTimeColumnRef() == null || partitionDesc
.getPartitionTimeColumnRef().getTableAlias().equals(splitTableAlias))) {
String quotedPartCond = FlatTableSqlQuoteUtils.quoteIdentifierInSqlExpr(flatDesc,
partitionDesc.getPartitionConditionBuilder().buildDateRangeCondition(partitionDesc,
flatDesc.getSegment(), segRange, null), sqlDialect);
bquery += " WHERE " + quotedPartCond;
}
}
}
bquery = escapeQuotationInSql(bquery);
splitColumn = escapeQuotationInSql(splitColumn);
String cmd = StringUtils.format(
"--connect \"%s\" --driver \"%s\" --username \"%s\" --password \"%s\" --query \"%s AND \\$CONDITIONS\" "
+ "--target-dir \"%s/%s\" --split-by \"%s\" --boundary-query \"%s\" --null-string '' "
+ "--fields-terminated-by '%s' --num-mappers %d",
dataSource.getJdbcUrl(), dataSource.getJdbcDriver(), dataSource.getJdbcUser(),
dataSource.getJdbcPassword(), selectSql, jobWorkingDir, hiveTable, splitColumn, bquery,
filedDelimiter, mapperNum);
if (iconfigurer.getTransactionIsolationLevel() != null) {
cmd = cmd + " --relaxed-isolation --metadata-transaction-isolation-level "
+ iconfigurer.getTransactionIsolationLevel();
}
logger.debug("sqoop cmd: {}", cmd);
SqoopCmdStep step = new SqoopCmdStep();
step.setCmd(cmd);
step.setName(ExecutableConstants.STEP_NAME_SQOOP_TO_FLAT_HIVE_TABLE);
return step;
}
Example 7
| Source File: JoinedFlatTable.java From kylin-on-parquet-v2 with Apache License 2.0 | 4 votes |
|
public static String colName(TblColRef col, boolean useAlias) {
return useAlias ? col.getTableAlias() + "_" + col.getName() : col.getName();
}
Example 8
| Source File: CubeDesc.java From kylin-on-parquet-v2 with Apache License 2.0 | 4 votes |
|
/**
* Get columns that have dictionary
*/
public Set<TblColRef> getAllColumnsHaveDictionary() {
Set<TblColRef> result = Sets.newLinkedHashSet();
// dictionaries in dimensions
result.addAll(getAllDimsHaveDictionary());
// dictionaries in measures
for (MeasureDesc measure : measures) {
MeasureType<?> aggrType = measure.getFunction().getMeasureType();
result.addAll(aggrType.getColumnsNeedDictionary(measure.getFunction()));
}
// any additional dictionaries
if (dictionaries != null) {
for (DictionaryDesc dictDesc : dictionaries) {
TblColRef col = dictDesc.getColumnRef();
result.add(col);
}
}
//mr - hive global dict
if (overrideKylinProps.containsKey("kylin.dictionary.mr-hive.columns")) {
String mrHiveDictColumns = overrideKylinProps.get("kylin.dictionary.mr-hive.columns");
if (StringUtils.isNotEmpty(mrHiveDictColumns)) {
String[] mrHiveDictColumnArr = mrHiveDictColumns.split(",");
for (String dictColumn : mrHiveDictColumnArr) {
Iterator<TblColRef> it = result.iterator();
while (it.hasNext()) {
TblColRef colRef = it.next();
String aliasCol = colRef.getTableAlias() + "_" + colRef.getName();
if (aliasCol.equalsIgnoreCase(dictColumn)) {
logger.debug("Remove column {} because it has been built by MR", aliasCol);
it.remove();
}
}
}
}
}
return result;
}
Example 9
| Source File: JdbcHiveInputBase.java From kylin with Apache License 2.0 | 4 votes |
|
protected AbstractExecutable createSqoopToFlatHiveStep(String jobWorkingDir, String cubeName) {
KylinConfig config = getConfig();
PartitionDesc partitionDesc = flatDesc.getDataModel().getPartitionDesc();
String partCol = null;
if (partitionDesc.isPartitioned()) {
partCol = partitionDesc.getPartitionDateColumn();//tablename.colname
}
String splitTableAlias;
String splitColumn;
String splitDatabase;
TblColRef splitColRef = determineSplitColumn();
splitTableAlias = splitColRef.getTableAlias();
splitColumn = getColumnIdentityQuoted(splitColRef, jdbcMetadataDialect, metaMap, true);
splitDatabase = splitColRef.getColumnDesc().getTable().getDatabase();
String selectSql = generateSelectDataStatementRDBMS(flatDesc, true, new String[] { partCol },
jdbcMetadataDialect, metaMap);
selectSql = escapeQuotationInSql(selectSql);
String hiveTable = flatDesc.getTableName();
String connectionUrl = config.getJdbcSourceConnectionUrl();
String driverClass = config.getJdbcSourceDriver();
String jdbcUser = config.getJdbcSourceUser();
String jdbcPass = config.getJdbcSourcePass();
String sqoopHome = config.getSqoopHome();
String sqoopNullString = config.getSqoopNullString();
String sqoopNullNonString = config.getSqoopNullNonString();
String filedDelimiter = config.getJdbcSourceFieldDelimiter();
int mapperNum = config.getSqoopMapperNum();
String bquery = String.format(Locale.ROOT, "SELECT min(%s), max(%s) FROM %s.%s ", splitColumn,
splitColumn, getSchemaQuoted(metaMap, splitDatabase, jdbcMetadataDialect, true),
getTableIdentityQuoted(splitColRef.getTableRef(), metaMap, jdbcMetadataDialect, true));
if (partitionDesc.isPartitioned()) {
SegmentRange segRange = flatDesc.getSegRange();
if (segRange != null && !segRange.isInfinite()) {
if (partitionDesc.getPartitionDateColumnRef().getTableAlias().equals(splitTableAlias)
&& (partitionDesc.getPartitionTimeColumnRef() == null || partitionDesc
.getPartitionTimeColumnRef().getTableAlias().equals(splitTableAlias))) {
String quotedPartCond = partitionDesc.getPartitionConditionBuilder().buildDateRangeCondition(
partitionDesc, flatDesc.getSegment(), segRange,
col -> getTableColumnIdentityQuoted(col, jdbcMetadataDialect, metaMap, true));
bquery += " WHERE " + quotedPartCond;
}
}
}
bquery = escapeQuotationInSql(bquery);
// escape ` in cmd
splitColumn = escapeQuotationInSql(splitColumn);
String cmd = String.format(Locale.ROOT, "%s/bin/sqoop import" + generateSqoopConfigArgString()
+ "--connect \"%s\" --driver %s --username %s --password \"%s\" --query \"%s AND \\$CONDITIONS\" "
+ "--target-dir %s/%s --split-by %s --boundary-query \"%s\" --null-string '%s' "
+ "--null-non-string '%s' --fields-terminated-by '%s' --num-mappers %d", sqoopHome, connectionUrl,
driverClass, jdbcUser, jdbcPass, selectSql, jobWorkingDir, hiveTable, splitColumn, bquery,
sqoopNullString, sqoopNullNonString, filedDelimiter, mapperNum);
logger.debug("sqoop cmd : {}", cmd);
CmdStep step = new CmdStep();
step.setCmd(cmd);
step.setName(ExecutableConstants.STEP_NAME_SQOOP_TO_FLAT_HIVE_TABLE);
return step;
}
Example 10
| Source File: JdbcHiveInputBase.java From kylin with Apache License 2.0 | 4 votes |
|
@Override
protected AbstractExecutable createSqoopToFlatHiveStep(String jobWorkingDir, String cubeName) {
KylinConfig config = flatDesc.getDataModel().getConfig();
PartitionDesc partitionDesc = flatDesc.getDataModel().getPartitionDesc();
String partCol = null;
boolean enableQuote = dataSource.getSqlConverter().getConfigurer().enableQuote();
enableQuote = enableQuote && config.enableHiveDdlQuote();
logger.debug("Quote switch is set to {}", enableQuote);
SqlDialect sqlDialect = enableQuote ? dataSource.getSqlConverter().getConfigurer().getSqlDialect() : FlatTableSqlQuoteUtils.NON_QUOTE_DIALECT;
SqlConverter.IConfigurer iconfigurer = dataSource.getSqlConverter().getConfigurer();
if (partitionDesc.isPartitioned()) {
partCol = partitionDesc.getPartitionDateColumn(); //tablename.colname
}
String splitTable;
String splitTableAlias;
String splitColumn;
String splitDatabase;
TblColRef splitColRef = determineSplitColumn();
splitTable = splitColRef.getTableRef().getTableDesc().getName();
splitTableAlias = splitColRef.getTableAlias();
splitDatabase = splitColRef.getColumnDesc().getTable().getDatabase();
if (enableQuote) {
splitColumn = sqlDialect.quoteIdentifier(splitColRef.getTableAlias()) + "."
+ sqlDialect.quoteIdentifier(splitColRef.getName());
splitDatabase = sqlDialect.quoteIdentifier(splitDatabase);
splitTable = sqlDialect.quoteIdentifier(splitTable);
splitTableAlias = sqlDialect.quoteIdentifier(splitTableAlias);
} else {
splitColumn = splitColRef.getTableAlias() + "." + splitColRef.getName();
}
String selectSql = JoinedFlatTable.generateSelectDataStatement(flatDesc, true, new String[]{partCol}, sqlDialect);
selectSql = escapeQuotationInSql(dataSource.convertSql(selectSql));
String hiveTable = flatDesc.getTableName();
String filedDelimiter = config.getJdbcSourceFieldDelimiter();
int mapperNum = config.getSqoopMapperNum();
String bquery;
bquery = String.format(Locale.ROOT, "SELECT min(%s), max(%s) FROM %s.%s as %s",
splitColumn, splitColumn, splitDatabase, splitTable, splitTableAlias);
bquery = dataSource.convertSql(bquery);
if (partitionDesc.isPartitioned()) {
SegmentRange segRange = flatDesc.getSegRange();
if (segRange != null && !segRange.isInfinite()) {
if (partitionDesc.getPartitionDateColumnRef().getTableAlias().equals(splitTableAlias)
&& (partitionDesc.getPartitionTimeColumnRef() == null || partitionDesc
.getPartitionTimeColumnRef().getTableAlias().equals(splitTableAlias))) {
String quotedPartCond = FlatTableSqlQuoteUtils.quoteIdentifierInSqlExpr(flatDesc,
partitionDesc.getPartitionConditionBuilder().buildDateRangeCondition(partitionDesc,
flatDesc.getSegment(), segRange, null), sqlDialect);
bquery += " WHERE " + quotedPartCond;
}
}
}
bquery = escapeQuotationInSql(bquery);
splitColumn = escapeQuotationInSql(splitColumn);
String cmd = StringUtils.format(
"--connect \"%s\" --driver \"%s\" --username \"%s\" --password \"%s\" --query \"%s AND \\$CONDITIONS\" "
+ "--target-dir \"%s/%s\" --split-by \"%s\" --boundary-query \"%s\" --null-string '' "
+ "--fields-terminated-by '%s' --num-mappers %d",
dataSource.getJdbcUrl(), dataSource.getJdbcDriver(), dataSource.getJdbcUser(),
dataSource.getJdbcPassword(), selectSql, jobWorkingDir, hiveTable, splitColumn, bquery,
filedDelimiter, mapperNum);
if (iconfigurer.getTransactionIsolationLevel() != null) {
cmd = cmd + " --relaxed-isolation --metadata-transaction-isolation-level "
+ iconfigurer.getTransactionIsolationLevel();
}
logger.debug("sqoop cmd: {}", cmd);
SqoopCmdStep step = new SqoopCmdStep();
step.setCmd(cmd);
step.setName(ExecutableConstants.STEP_NAME_SQOOP_TO_FLAT_HIVE_TABLE);
return step;
}
Example 11
| Source File: JoinedFlatTable.java From kylin with Apache License 2.0 | 4 votes |
|
public static String colName(TblColRef col, boolean useAlias) {
return useAlias ? col.getTableAlias() + "_" + col.getName() : col.getName();
}
Example 12
| Source File: CubeDesc.java From kylin with Apache License 2.0 | 4 votes |
|
/**
* Get columns that have dictionary
*/
public Set<TblColRef> getAllColumnsHaveDictionary() {
Set<TblColRef> result = Sets.newLinkedHashSet();
// dictionaries in dimensions
result.addAll(getAllDimsHaveDictionary());
// dictionaries in measures
for (MeasureDesc measure : measures) {
MeasureType<?> aggrType = measure.getFunction().getMeasureType();
result.addAll(aggrType.getColumnsNeedDictionary(measure.getFunction()));
}
// any additional dictionaries
if (dictionaries != null) {
for (DictionaryDesc dictDesc : dictionaries) {
TblColRef col = dictDesc.getColumnRef();
result.add(col);
}
}
//mr - hive global dict
if (overrideKylinProps.containsKey("kylin.dictionary.mr-hive.columns")) {
String mrHiveDictColumns = overrideKylinProps.get("kylin.dictionary.mr-hive.columns");
if (StringUtils.isNotEmpty(mrHiveDictColumns)) {
String[] mrHiveDictColumnArr = mrHiveDictColumns.split(",");
for (String dictColumn : mrHiveDictColumnArr) {
Iterator<TblColRef> it = result.iterator();
while (it.hasNext()) {
TblColRef colRef = it.next();
String aliasCol = colRef.getTableAlias() + "_" + colRef.getName();
if (aliasCol.equalsIgnoreCase(dictColumn)) {
logger.debug("Remove column {} because it has been built by MR", aliasCol);
it.remove();
}
}
}
}
}
return result;
}
