Package org.pgcodekeeper.core.schema.ch

Class ChDictionary

java.lang.Object
org.pgcodekeeper.core.schema.PgStatement
org.pgcodekeeper.core.schema.ch.ChDictionary
All Implemented Interfaces:
IHashable, IRelation, ISearchPath, IStatement
public final class ChDictionary extends PgStatement implements IRelation
Represents a ClickHouse dictionary object. Dictionaries in ClickHouse are used for storing key-value data for fast lookups and can have various sources and layouts.

  • Constructor Details

    • ChDictionary

      public ChDictionary(String name)
      Creates a new ClickHouse dictionary with the specified name.
      Parameters:
      name - the name of the dictionary

  • Method Details

    • setSourceType

      public void setSourceType(String sourceType)

    • setLifeTime

      public void setLifeTime(String lifeTime)

    • setLayOut

      public void setLayOut(String layOut)

    • setPk

      public void setPk(String pk)

    • setRange

      public void setRange(String range)

    • addColumn

      public void addColumn(AbstractColumn column)
      Adds a column to this dictionary.
      Parameters:
      column - the column to add

    • addSource

      public void addSource(String key, String value)

    • addOption

      public void addOption(String option, String value)

    • 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

    • getDbType

      public DatabaseType getDbType()
      Overrides:
      getDbType in class PgStatement

    • 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

    • getContainingSchema

      public ISchema getContainingSchema()
      Description copied from interface: ISearchPath
      Gets the schema that contains this object.
      Specified by:
      getContainingSchema in interface ISearchPath
      Returns:
      the containing schema

    • getRelationColumns

      public Stream<Pair<String,String>> getRelationColumns()
      Description copied from interface: IRelation
      Gets the columns of this relation as name-type pairs.
      Specified by:
      getRelationColumns in interface IRelation
      Returns:
      a stream of column name and type pairs

    • 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

    • appendComments

      public void appendComments(SQLScript script)
      Description copied from class: PgStatement
      Appends comment SQL to the script if this statement has comments.
      Overrides:
      appendComments in class PgStatement
      Parameters:
      script - the SQL script to append comments to

    • 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.