Package org.pgcodekeeper.core.schema.pg

Class PgForeignDataWrapper

java.lang.Object
org.pgcodekeeper.core.schema.PgStatement
org.pgcodekeeper.core.schema.pg.PgForeignDataWrapper
All Implemented Interfaces:
IHashable, IOptionContainer, IStatement, PgForeignOptionContainer
public final class PgForeignDataWrapper extends PgStatement implements PgForeignOptionContainer
PostgreSQL foreign data wrapper implementation. Foreign data wrappers are libraries that provide access to external data sources, allowing PostgreSQL to query data from other databases or systems.

  • Constructor Details

    • PgForeignDataWrapper

      public PgForeignDataWrapper(String name)
      Creates a new PostgreSQL foreign data wrapper.
      Parameters:
      name - wrapper name

  • Method Details

    • getAlterHeader

      public String getAlterHeader()
      Description copied from interface: PgForeignOptionContainer
      Returns the ALTER statement header for this object.
      Specified by:
      getAlterHeader in interface PgForeignOptionContainer
      Returns:
      ALTER statement prefix (e.g., "ALTER FOREIGN TABLE table_name")

    • getOptions

      public Map<String,String> getOptions()
      Description copied from interface: IOptionContainer
      Gets all options for this container.
      Specified by:
      getOptions in interface IOptionContainer
      Returns:
      a map of option keys to values

    • addOption

      public void addOption(String key, String value)
      Description copied from interface: IOptionContainer
      Adds an option to this container.
      Specified by:
      addOption in interface IOptionContainer
      Parameters:
      key - the option key
      value - the option value

    • setHandler

      public void setHandler(String handler)

    • setValidator

      public void setValidator(String validator)

    • getStatementType

      public DbObjType getStatementType()
      Description copied from interface: IStatement
      Gets the type of this database object.
      Specified by:
      getStatementType in interface IStatement
      Returns:
      the database object type

    • computeHash

      public void computeHash(Hasher hasher)
      Description copied from interface: IHashable
      Computes the hash of the implementing object using the provided hasher. The implementation should call appropriate put methods on the hasher for all fields that should contribute to the hash value.
      Specified by:
      computeHash in interface IHashable
      Parameters:
      hasher - the hasher instance to use for hash computation

    • compare

      public boolean compare(PgStatement obj)
      Description copied from class: PgStatement
      This method does not account for nested child PgStatements. Shallow version of PgStatement.equals(Object)
      Overrides:
      compare in class PgStatement

    • getDatabase

      public AbstractDatabase getDatabase()
      Description copied from interface: IStatement
      Gets the database that contains this statement.
      Specified by:
      getDatabase in interface IStatement
      Returns:
      the containing database

    • getCreationSQL

      public void getCreationSQL(SQLScript script)
      Description copied from class: PgStatement
      Generates the SQL statements needed to create this database object. This is an abstract method that must be implemented by subclasses to provide the specific CREATE SQL for each object type.
      Specified by:
      getCreationSQL in class PgStatement
      Parameters:
      script - the SQL script to append creation statements to

    • appendAlterSQL

      public ObjectState appendAlterSQL(PgStatement newCondition, SQLScript script)
      Description copied from class: PgStatement
      Fill script with object changes and return change type
      Specified by:
      appendAlterSQL in class PgStatement
      Parameters:
      newCondition - new object state
      script - script to collect changes
      Returns:
      object change type

    • shallowCopy

      public PgStatement shallowCopy()
      Description copied from class: PgStatement
      Copies all object properties into a new object and leaves all its children empty.
      Specified by:
      shallowCopy in class PgStatement
      Returns:
      shallow copy of a DB object.