org.apache.hadoop.hive.ql.metadata.formatting

Interface MetaDataFormatter

All Known Implementing Classes:

JsonMetaDataFormatter

public interface MetaDataFormatter

Interface to format table and index information. We can format it for human readability (lines of text) or for machine readability (json).

Method Summary

Methods

Modifier and Type	Method and Description
void	describeTable(DataOutputStream out, String colPath, String tableName, Table tbl, Partition part, List<FieldSchema> cols, boolean isFormatted, boolean isExt, boolean isPretty, boolean isOutputPadded, List<ColumnStatisticsObj> colStats) Describe table.
void	error(OutputStream out, String msg, int errorCode, String sqlState) Write an error message.
void	error(OutputStream out, String errorMessage, int errorCode, String sqlState, String errorDetail)
void	showDatabaseDescription(DataOutputStream out, String database, String comment, String location, String ownerName, String ownerType, Map<String,String> params) Describe a database.
void	showDatabases(DataOutputStream out, List<String> databases) Show the databases
void	showTablePartitons(DataOutputStream out, List<String> parts) Show the table partitions.
void	showTables(DataOutputStream out, Set<String> tables) Show a list of tables.
void	showTableStatus(DataOutputStream out, Hive db, HiveConf conf, List<Table> tbls, Map<String,String> part, Partition par) Show the table status.

Method Detail

error

void error(OutputStream out,
         String msg,
         int errorCode,
         String sqlState)
           throws HiveException

Write an error message.

Parameters:

sqlState - if null, will be ignored

Throws:

HiveException

error

void error(OutputStream out,
         String errorMessage,
         int errorCode,
         String sqlState,
         String errorDetail)
           throws HiveException

Parameters:

sqlState - if null, will be skipped in output

errorDetail - usually string version of some Exception, if null, will be ignored

Throws:

HiveException

showTables

void showTables(DataOutputStream out,
              Set<String> tables)
                throws HiveException

Show a list of tables.

Throws:

HiveException

describeTable

void describeTable(DataOutputStream out,
                 String colPath,
                 String tableName,
                 Table tbl,
                 Partition part,
                 List<FieldSchema> cols,
                 boolean isFormatted,
                 boolean isExt,
                 boolean isPretty,
                 boolean isOutputPadded,
                 List<ColumnStatisticsObj> colStats)
                   throws HiveException

Describe table.

Parameters:

out -

colPath -

tableName -

tbl -

part -

cols -

isFormatted - - describe with formatted keyword

isExt -

isPretty -

isOutputPadded - - if true, add spacing and indentation

colStats -

Throws:

HiveException

showTableStatus

void showTableStatus(DataOutputStream out,
                   Hive db,
                   HiveConf conf,
                   List<Table> tbls,
                   Map<String,String> part,
                   Partition par)
                     throws HiveException

Show the table status.

Throws:

HiveException

showTablePartitons

void showTablePartitons(DataOutputStream out,
                      List<String> parts)
                        throws HiveException

Show the table partitions.

Throws:

HiveException

showDatabases

void showDatabases(DataOutputStream out,
                 List<String> databases)
                   throws HiveException

Show the databases

Throws:

HiveException

showDatabaseDescription

void showDatabaseDescription(DataOutputStream out,
                           String database,
                           String comment,
                           String location,
                           String ownerName,
                           String ownerType,
                           Map<String,String> params)
                             throws HiveException

Describe a database.

Throws:

HiveException