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https://issues.apache.org/jira/browse/PHOENIX-898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955813#comment-13955813
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James Taylor commented on PHOENIX-898:
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For resolving column family and getting SQL type:
{code}
PTable table = PhoenixRuntime.getTable(conn, fullTableName);
PColumnFamily family = table.getColumnFamily(familyName);
PColumn fullyQualifiedColumn = family.getColumn(columnName);
PColumn column = table.getColumn(unprefixedColumnName);
// Will return the official SQL type. Note that for an ARRAY types
// and for UNSIGNED types, this returns an int that is defined
// as a constant in the java.sql.Types. If you want the "raw"
// type ID, use getSqlType() instead.
int sqlType = column.getDataType().getResultSetSqlType();
{code}
I'm fine either way, [[email protected]], but it'd be good to
standardize this before we put it out in a release.
Thanks for the contributions! Much appreciated.
> Extend PhoenixHBaseStorage to specify upsert columns
> ----------------------------------------------------
>
> Key: PHOENIX-898
> URL: https://issues.apache.org/jira/browse/PHOENIX-898
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: James Violette
> Fix For: 3.0.0
>
> Attachments: PHOENIX_898.patch
>
>
> We have a Phoenix table with data from multiple sources. We would like to
> write a pig script that upserts only data associated with a feed, leaving
> other data alone. The current PhoenixHBaseStorage automatically upserts all
> columns in a table.
> Given this table schema as an example,
> create TABLE IF NOT EXISTS MYSCHEMA.MYTABLE
> (NAME varchar not null
> ,D.INFO VARCHAR
> ,D.D1 DOUBLE
> ,D.I1 INTEGER
> ,D.C1 VARCHAR
> CONSTRAINT pk PRIMARY KEY (NAME));
> Assuming 'A' is loaded into pig,
> The current syntax loads all columns into MYSCHEMA.MYTABLE:
> STORE A into 'hbase://MYSCHEMA.MYTABLE' using
> org.apache.phoenix.pig.PhoenixHBaseStorage('localhost','-batchSize 5000');
> We could specify upsert columns after the table in the hbase:// url.
> This column-based example is equivalent to the full table upsert.
> STORE A into 'hbase://MYSCHEMA.MYTABLE/NAME,D.INFO,D.D1,D.I1,D.C1' using
> org.apache.phoenix.pig.PhoenixHBaseStorage('localhost','-batchSize 5000');
> This column-based example chooses to load only three of the five columns.
> STORE A into 'hbase://MYSCHEMA.MYTABLE/NAME,D.INFO,D.I1' using
> org.apache.phoenix.pig.PhoenixHBaseStorage('localhost','-batchSize 5000');
> This change would touch
> PhoenixHBaseStorage.setStoreLocation - parse the columns
> PhoenixPigConfiguration.configure - add an optional column list parameter.
> PhoenixPigConfiguration.setup - create the upsert statement and create the
> column metadata list
> The rest of the code should work as-is.
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