Package liquibase.sqlgenerator.core
Class TableIsEmptyGenerator
java.lang.Object
liquibase.sqlgenerator.core.AbstractSqlGenerator<TableIsEmptyStatement>
liquibase.sqlgenerator.core.TableIsEmptyGenerator
- All Implemented Interfaces:
PrioritizedService
,SqlGenerator<TableIsEmptyStatement>
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Field Summary
Fields inherited from interface liquibase.servicelocator.PrioritizedService
COMPARATOR
Fields inherited from interface liquibase.sqlgenerator.SqlGenerator
EMPTY_SQL, PRIORITY_DATABASE, PRIORITY_DEFAULT
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected String
generateCountSql
(TableIsEmptyStatement statement, Database database) Sql[]
generateSql
(TableIsEmptyStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) Generate the actual Sql for the given statement and database.int
Of all the SqlGenerators that "support" a given SqlStatement/Database, SqlGeneratorFactory will return the one with the highest priority.boolean
supports
(TableIsEmptyStatement statement, Database database) Does this generator support the given statement/database combination? Do not validate the statement with this method, only return if it can support it.validate
(TableIsEmptyStatement tableIsEmptyStatement, Database database, SqlGeneratorChain sqlGeneratorChain) Validate the data contained in the SqlStatement.Methods inherited from class liquibase.sqlgenerator.core.AbstractSqlGenerator
generateRollbackStatementsIsVolatile, generateStatementsIsVolatile, looksLikeFunctionCall, warn
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Constructor Details
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TableIsEmptyGenerator
public TableIsEmptyGenerator()
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Method Details
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getPriority
public int getPriority()Description copied from interface:SqlGenerator
Of all the SqlGenerators that "support" a given SqlStatement/Database, SqlGeneratorFactory will return the one with the highest priority.- Specified by:
getPriority
in interfacePrioritizedService
- Specified by:
getPriority
in interfaceSqlGenerator<TableIsEmptyStatement>
- Overrides:
getPriority
in classAbstractSqlGenerator<TableIsEmptyStatement>
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supports
Description copied from interface:SqlGenerator
Does this generator support the given statement/database combination? Do not validate the statement with this method, only return if it can support it.- Specified by:
supports
in interfaceSqlGenerator<TableIsEmptyStatement>
- Overrides:
supports
in classAbstractSqlGenerator<TableIsEmptyStatement>
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validate
public ValidationErrors validate(TableIsEmptyStatement tableIsEmptyStatement, Database database, SqlGeneratorChain sqlGeneratorChain) Description copied from interface:SqlGenerator
Validate the data contained in the SqlStatement. If there are no errors, return an empty ValidationErrors object, not a null value. Liquibase will inspect the ValidationErrors result before attempting to call generateSql. -
generateCountSql
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generateSql
public Sql[] generateSql(TableIsEmptyStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) Description copied from interface:SqlGenerator
Generate the actual Sql for the given statement and database.
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