Package org.postgresql.jdbc
Class PgStatement.StatementResultHandler
java.lang.Object
org.postgresql.core.ResultHandlerBase
org.postgresql.jdbc.PgStatement.StatementResultHandler
- All Implemented Interfaces:
ResultHandler
- Enclosing class:
- PgStatement
ResultHandler implementations for updates, queries, and either-or.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
handleCommandStatus
(String status, long updateCount, long insertOID) Called when a query that did not return a resultset completes.void
handleResultRows
(Query fromQuery, Field[] fields, List<Tuple> tuples, @Nullable ResultCursor cursor) Called when result rows are received from a query.void
handleWarning
(SQLWarning warning) Called when a warning is emitted.Methods inherited from class org.postgresql.core.ResultHandlerBase
getException, getWarning, handleCompletion, handleError, secureProgress
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Constructor Details
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StatementResultHandler
public StatementResultHandler()
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Method Details
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handleResultRows
public void handleResultRows(Query fromQuery, Field[] fields, List<Tuple> tuples, @Nullable ResultCursor cursor) Description copied from interface:ResultHandler
Called when result rows are received from a query.- Specified by:
handleResultRows
in interfaceResultHandler
- Overrides:
handleResultRows
in classResultHandlerBase
- Parameters:
fromQuery
- the underlying query that generated these results; this may not be very specific (e.g. it may be a query that includes multiple statements).fields
- column metadata for the resultset; might benull
if Query.QUERY_NO_METADATA was specified.tuples
- the actual datacursor
- a cursor to use to fetch additional data;null
if no further results are present.
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handleCommandStatus
Description copied from interface:ResultHandler
Called when a query that did not return a resultset completes.- Specified by:
handleCommandStatus
in interfaceResultHandler
- Overrides:
handleCommandStatus
in classResultHandlerBase
- Parameters:
status
- the command status string (e.g. "SELECT") returned by the backendupdateCount
- the number of rows affected by an INSERT, UPDATE, DELETE, FETCH, or MOVE command; -1 if not available.insertOID
- for a single-row INSERT query, the OID of the newly inserted row; 0 if not available.
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handleWarning
Description copied from interface:ResultHandler
Called when a warning is emitted.- Specified by:
handleWarning
in interfaceResultHandler
- Overrides:
handleWarning
in classResultHandlerBase
- Parameters:
warning
- the warning that occurred.
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