abstract class Marten::DB::Management::Introspector::Base

• Marten::DB::Management::Introspector::Base
• Reference
• Object

Overview

Base implementation of a database introspector.

The database introspector is used in the context of DB management in order to fetch operation regarding existing tables such as table names, index / constraint names, etc.

Direct Known Subclasses

• Marten::DB::Management::Introspector::MySQL
• Marten::DB::Management::Introspector::PostgreSQL
• Marten::DB::Management::Introspector::SQLite

Defined in:

marten/db/management/introspector/base.cr

Constructors

• .new(connection : Connection::Base)

Instance Method Summary

• #columns_details(table_name : String) : Array(ColumnInfo)

  Returns the details of the columns of a specific table.

• #foreign_key_constraint_names(table_name : String, column_name : String) : Array(String)

  Returns an array of all the foreign key constraints of a specific table and column.

• #index_names(table_name : String, column_name : String) : Array(String)

  Returns an array of all the index names for a specific table and column.

• #model_table_names : Array(String)

  Returns all the table names associated with models of the installed applications only.

• #primary_key_constraint_names(table_name : String, column_name : String) : Array(String)

  Returns an array of all the primary key constraints of a specific table and column.

• #table_names : Array(String)

  Returns all the tables names in the considered database.

• #unique_constraint_names(table_name : String, column_name : String) : Array(String)

  Returns an array of all the unique constraints for a specific table and column.

Constructor Detail

Instance Method Detail