Package liquibase.sqlgenerator.core
Class AddColumnGeneratorSQLite
- java.lang.Object
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- liquibase.sqlgenerator.core.AbstractSqlGenerator<AddColumnStatement>
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- liquibase.sqlgenerator.core.AddColumnGenerator
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- liquibase.sqlgenerator.core.AddColumnGeneratorSQLite
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- All Implemented Interfaces:
PrioritizedService
,SqlGenerator<AddColumnStatement>
public class AddColumnGeneratorSQLite extends AddColumnGenerator
Workaround for adding column on existing table for SQLite.
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Field Summary
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Fields inherited from class liquibase.sqlgenerator.core.AddColumnGenerator
REFERENCE_PATTERN
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Fields inherited from interface liquibase.servicelocator.PrioritizedService
COMPARATOR
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Fields inherited from interface liquibase.sqlgenerator.SqlGenerator
EMPTY_SQL, PRIORITY_DATABASE, PRIORITY_DEFAULT
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Constructor Summary
Constructors Constructor Description AddColumnGeneratorSQLite()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Sql[]
generateSql(AddColumnStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain)
Generate the actual Sql for the given statement and database.boolean
generateStatementsIsVolatile(Database database)
Does this change require access to the database metadata? If true, the change cannot be used in an updateSql-style command.int
getPriority()
Of all the SqlGenerators that "support" a given SqlStatement/Database, SqlGeneratorFactory will return the one with the highest priority.boolean
supports(AddColumnStatement 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.ValidationErrors
validate(AddColumnStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain)
Validate the data contained in the SqlStatement.-
Methods inherited from class liquibase.sqlgenerator.core.AddColumnGenerator
addForeignKeyStatements, addUniqueConstraintStatements, generateSingleColumBaseSQL, generateSingleColumn, generateSingleColumnSQL, getAffectedColumn, getAffectedColumns
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Methods inherited from class liquibase.sqlgenerator.core.AbstractSqlGenerator
generateRollbackStatementsIsVolatile, looksLikeFunctionCall, warn
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Method Detail
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validate
public ValidationErrors validate(AddColumnStatement statement, 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.- Specified by:
validate
in interfaceSqlGenerator<AddColumnStatement>
- Overrides:
validate
in classAddColumnGenerator
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generateStatementsIsVolatile
public boolean generateStatementsIsVolatile(Database database)
Description copied from interface:SqlGenerator
Does this change require access to the database metadata? If true, the change cannot be used in an updateSql-style command.- Specified by:
generateStatementsIsVolatile
in interfaceSqlGenerator<AddColumnStatement>
- Overrides:
generateStatementsIsVolatile
in classAbstractSqlGenerator<AddColumnStatement>
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supports
public boolean supports(AddColumnStatement statement, Database database)
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<AddColumnStatement>
- Overrides:
supports
in classAbstractSqlGenerator<AddColumnStatement>
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generateSql
public Sql[] generateSql(AddColumnStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain)
Description copied from interface:SqlGenerator
Generate the actual Sql for the given statement and database.- Specified by:
generateSql
in interfaceSqlGenerator<AddColumnStatement>
- Overrides:
generateSql
in classAddColumnGenerator
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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<AddColumnStatement>
- Overrides:
getPriority
in classAbstractSqlGenerator<AddColumnStatement>
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