com.cloudera.impala.catalog.RowFormat Class Reference

Collaboration diagram for com.cloudera.impala.catalog.RowFormat:

Public Member Functions
	RowFormat (String fieldDelimiter, String lineDelimiter, String escapeChar)
String	getFieldDelimiter ()
String	getLineDelimiter ()
String	getEscapeChar ()
boolean	isDefault ()
TTableRowFormat	toThrift ()

Static Public Member Functions
static RowFormat	fromThrift (TTableRowFormat tableRowFormat)
static RowFormat	fromStorageDescriptor (StorageDescriptor sd)

Static Public Attributes
static final RowFormat	DEFAULT_ROW_FORMAT = new RowFormat(null, null, null)

Private Member Functions
	RowFormat (String fieldDelimiter, String lineDelimiter, String escapeChar, boolean unescape)

Static Private Member Functions
static String	getUnescapedValueOrNull (String value)

Private Attributes
final String	fieldDelimiter_
final String	lineDelimiter_
final String	escapeChar_

Detailed Description

Defines the physical (on-disk) format for a table's data. This is used when creating a new table to specify how to interpret the fields (columns) and lines (rows) in a a data file.

Definition at line 30 of file RowFormat.java.

Constructor & Destructor Documentation

com.cloudera.impala.catalog.RowFormat.RowFormat ( String  fieldDelimiter, String  lineDelimiter, String  escapeChar, boolean  unescape  )

inlineprivate

Definition at line 38 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.escapeChar_, com.cloudera.impala.catalog.RowFormat.fieldDelimiter_, com.cloudera.impala.catalog.RowFormat.getUnescapedValueOrNull(), and com.cloudera.impala.catalog.RowFormat.lineDelimiter_.

Referenced by com.cloudera.impala.catalog.RowFormat.fromStorageDescriptor(), and com.cloudera.impala.catalog.RowFormat.fromThrift().

com.cloudera.impala.catalog.RowFormat.RowFormat ( String  fieldDelimiter, String  lineDelimiter, String  escapeChar  )

inline

Creates a new instance of the RowFormat class, unescaping the values of field delimiter, line delimiter, and escape char.

Definition at line 55 of file RowFormat.java.

Member Function Documentation

static RowFormat com.cloudera.impala.catalog.RowFormat.fromStorageDescriptor ( StorageDescriptor  sd )

inlinestatic

Returns the RowFormat for the storage descriptor.

Definition at line 100 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.RowFormat().

static RowFormat com.cloudera.impala.catalog.RowFormat.fromThrift ( TTableRowFormat  tableRowFormat )

inlinestatic

Definition at line 87 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.DEFAULT_ROW_FORMAT, and com.cloudera.impala.catalog.RowFormat.RowFormat().

Referenced by com.cloudera.impala.service.CatalogOpExecutor.createMetaStoreTable().

String com.cloudera.impala.catalog.RowFormat.getEscapeChar ( )

inline

Definition at line 67 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.escapeChar_.

Referenced by com.cloudera.impala.analysis.CreateTableStmt.analyze(), com.cloudera.impala.catalog.HiveStorageDescriptorFactory.createSd(), com.cloudera.impala.analysis.ToSqlUtils.getCreateTableSql(), and com.cloudera.impala.catalog.RowFormat.toThrift().

String com.cloudera.impala.catalog.RowFormat.getFieldDelimiter ( )

inline

Definition at line 59 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.fieldDelimiter_.

Referenced by com.cloudera.impala.analysis.CreateTableStmt.analyze(), com.cloudera.impala.catalog.HiveStorageDescriptorFactory.createSd(), com.cloudera.impala.analysis.ToSqlUtils.getCreateTableSql(), and com.cloudera.impala.catalog.RowFormat.toThrift().

String com.cloudera.impala.catalog.RowFormat.getLineDelimiter ( )

inline

Definition at line 63 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.lineDelimiter_.

Referenced by com.cloudera.impala.analysis.CreateTableStmt.analyze(), com.cloudera.impala.catalog.HiveStorageDescriptorFactory.createSd(), com.cloudera.impala.analysis.ToSqlUtils.getCreateTableSql(), and com.cloudera.impala.catalog.RowFormat.toThrift().

static String com.cloudera.impala.catalog.RowFormat.getUnescapedValueOrNull ( String  value )

inlinestaticprivate

Definition at line 75 of file RowFormat.java.

Referenced by com.cloudera.impala.catalog.RowFormat.RowFormat().

boolean com.cloudera.impala.catalog.RowFormat.isDefault ( )

inline

Definition at line 71 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.escapeChar_, com.cloudera.impala.catalog.RowFormat.fieldDelimiter_, and com.cloudera.impala.catalog.RowFormat.lineDelimiter_.

Referenced by com.cloudera.impala.analysis.ToSqlUtils.getCreateTableSql().

TTableRowFormat com.cloudera.impala.catalog.RowFormat.toThrift ( )

inline

Definition at line 79 of file RowFormat.java.

References com.cloudera.impala.catalog.RowFormat.getEscapeChar(), com.cloudera.impala.catalog.RowFormat.getFieldDelimiter(), and com.cloudera.impala.catalog.RowFormat.getLineDelimiter().

Member Data Documentation

final RowFormat com.cloudera.impala.catalog.RowFormat.DEFAULT_ROW_FORMAT = new RowFormat(null, null, null)

static

Definition at line 32 of file RowFormat.java.

Referenced by com.cloudera.impala.analysis.CreateTableDataSrcStmt.CreateTableDataSrcStmt(), com.cloudera.impala.catalog.RowFormat.fromThrift(), com.cloudera.impala.service.CatalogOpExecutor.setStorageDescriptorFileFormat(), and com.cloudera.impala.catalog.HdfsStorageDescriptorTest.testDelimiters().

final String com.cloudera.impala.catalog.RowFormat.escapeChar_

private

Definition at line 36 of file RowFormat.java.

Referenced by com.cloudera.impala.catalog.RowFormat.getEscapeChar(), com.cloudera.impala.catalog.RowFormat.isDefault(), and com.cloudera.impala.catalog.RowFormat.RowFormat().

final String com.cloudera.impala.catalog.RowFormat.fieldDelimiter_

private

Definition at line 34 of file RowFormat.java.

Referenced by com.cloudera.impala.catalog.RowFormat.getFieldDelimiter(), com.cloudera.impala.catalog.RowFormat.isDefault(), and com.cloudera.impala.catalog.RowFormat.RowFormat().

final String com.cloudera.impala.catalog.RowFormat.lineDelimiter_

private

Definition at line 35 of file RowFormat.java.

Referenced by com.cloudera.impala.catalog.RowFormat.getLineDelimiter(), com.cloudera.impala.catalog.RowFormat.isDefault(), and com.cloudera.impala.catalog.RowFormat.RowFormat().

---

The documentation for this class was generated from the following file:

• fe/src/main/java/com/cloudera/impala/catalog/RowFormat.java