Package org.h2.command.dml
Class Help
java.lang.Object
org.h2.command.Prepared
org.h2.command.dml.Help
This class represents the statement CALL.
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Field Summary
FieldsFields inherited from class org.h2.command.Prepared
create, parameters, prepareAlways, session, sqlStatement, sqlTokens
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic ResultSet
getTable()
Returns HELP table.int
getType()
Get the command type as defined in CommandInterfaceboolean
boolean
isQuery()
Check if this object is a query.boolean
Check if this command is read only.boolean
Check if this command is transactional.static String
Sanitize value read from csv file (i.e.query
(long maxrows) Execute the query.Get an empty result set containing the meta data.static String
Strip out the special annotations we use to help build the railroad/BNF diagramsMethods inherited from class org.h2.command.Prepared
checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, needRecompile, prepare, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, toString, update
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Field Details
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conditions
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expressions
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Constructor Details
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Help
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Method Details
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queryMeta
Description copied from class:Prepared
Get an empty result set containing the meta data. -
query
Description copied from class:Prepared
Execute the query. -
stripAnnotationsFromSyntax
Strip out the special annotations we use to help build the railroad/BNF diagrams- Parameters:
s
- to process- Returns:
- cleaned text
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processHelpText
Sanitize value read from csv file (i.e. help.csv)- Parameters:
s
- text to process- Returns:
- text without wrapping quotes and trimmed
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getTable
Returns HELP table.- Returns:
- HELP table with columns SECTION,TOPIC,SYNTAX,TEXT
- Throws:
IOException
- on I/O exception
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isQuery
public boolean isQuery()Description copied from class:Prepared
Check if this object is a query. -
isTransactional
public boolean isTransactional()Description copied from class:Prepared
Check if this command is transactional. If it is not, then it forces the current transaction to commit.- Specified by:
isTransactional
in classPrepared
- Returns:
- true if it is
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isReadOnly
public boolean isReadOnly()Description copied from class:Prepared
Check if this command is read only.- Overrides:
isReadOnly
in classPrepared
- Returns:
- true if it is
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getType
public int getType()Description copied from class:Prepared
Get the command type as defined in CommandInterface -
isCacheable
public boolean isCacheable()- Overrides:
isCacheable
in classPrepared
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