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CHOMPStation2/code/defines/procs/dbcore.dm
2024-10-25 21:39:18 +02:00

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//This file was auto-corrected by findeclaration.exe on 25.5.2012 20:42:31
//cursors
#define Default_Cursor 0
#define Client_Cursor 1
#define Server_Cursor 2
//conversions
#define TEXT_CONV 1
#define RSC_FILE_CONV 2
#define NUMBER_CONV 3
//column flag values:
#define IS_NUMERIC 1
#define IS_BINARY 2
#define IS_NOT_NULL 4
#define IS_PRIMARY_KEY 8
#define IS_UNSIGNED 16
//types
#define TINYINT 1
#define SMALLINT 2
#define MEDIUMINT 3
#define INTEGER 4
#define BIGINT 5
#define DECIMAL 6
#define FLOAT 7
#define DOUBLE 8
#define DATE 9
#define DATETIME 10
#define TIMESTAMP 11
#define TIME 12
#define STRING 13
#define BLOB 14
// TODO: Investigate more recent type additions and see if I can handle them. - Nadrew
// Deprecated! See global.dm for new configuration vars
/*
var/DB_SERVER = "" // This is the location of your MySQL server (localhost is USUALLY fine)
var/DB_PORT = 3306 // This is the port your MySQL server is running on (3306 is the default)
*/
/DBConnection
var/_db_con // This variable contains a reference to the actual database connection.
var/dbi // This variable is a string containing the DBI MySQL requires.
var/user // This variable contains the username data.
var/password // This variable contains the password data.
var/default_cursor // This contains the default database cursor data.
//
var/server = ""
var/port = 3306
/DBConnection/New(dbi_handler,username,password_handler,cursor_handler)
src.dbi = dbi_handler
src.user = username
src.password = password_handler
src.default_cursor = cursor_handler
_db_con = _dm_db_new_con()
/DBConnection/proc/Connect(dbi_handler=src.dbi,user_handler=src.user,password_handler=src.password,cursor_handler)
if(!CONFIG_GET(flag/sql_enabled))
return 0
if(!src) return 0
cursor_handler = src.default_cursor
if(!cursor_handler) cursor_handler = Default_Cursor
return _dm_db_connect(_db_con,dbi_handler,user_handler,password_handler,cursor_handler,null)
/DBConnection/proc/Disconnect() return _dm_db_close(_db_con)
/DBConnection/proc/IsConnected()
if(!CONFIG_GET(flag/sql_enabled)) return 0
var/success = _dm_db_is_connected(_db_con)
return success
/DBConnection/proc/Quote(str) return _dm_db_quote(_db_con,str)
/DBConnection/proc/ErrorMsg() return _dm_db_error_msg(_db_con)
/DBConnection/proc/SelectDB(database_name,dbi)
if(IsConnected()) Disconnect()
//return Connect("[dbi?"[dbi]":"dbi:mysql:[database_name]:[DB_SERVER]:[DB_PORT]"]",user,password)
return Connect("[dbi?"[dbi]":"dbi:mysql:[database_name]:[CONFIG_GET(string/address)]:[CONFIG_GET(number/port)]"]",user,password)
/DBConnection/proc/NewQuery(sql_query,cursor_handler=src.default_cursor) return new/DBQuery(sql_query,src,cursor_handler)
/datum/db_query/New(sql_query,DBConnection/connection_handler,cursor_handler)
if(sql_query) src.sql = sql_query
if(connection_handler) src.db_connection = connection_handler
if(cursor_handler) src.default_cursor = cursor_handler
_db_query = _dm_db_new_query()
return ..()
/datum/db_query
var/sql // The sql query being executed.
var/default_cursor
var/list/columns //list of DB Columns populated by Columns()
var/list/conversions
var/list/item[0] //list of data values populated by NextRow()
var/DBConnection/db_connection
var/_db_query
/datum/db_query/proc/Connect(DBConnection/connection_handler) src.db_connection = connection_handler
/datum/db_query/proc/Execute(sql_query=src.sql,cursor_handler=default_cursor)
Close()
return _dm_db_execute(_db_query,sql_query,db_connection._db_con,cursor_handler,null)
/datum/db_query/proc/NextRow() return _dm_db_next_row(_db_query,item,conversions)
/datum/db_query/proc/RowsAffected() return _dm_db_rows_affected(_db_query)
/datum/db_query/proc/RowCount() return _dm_db_row_count(_db_query)
/datum/db_query/proc/ErrorMsg() return _dm_db_error_msg(_db_query)
/datum/db_query/proc/Columns()
if(!columns)
columns = _dm_db_columns(_db_query,/DBColumn)
return columns
/datum/db_query/proc/GetRowData()
var/list/columns = Columns()
var/list/results
if(columns.len)
results = list()
for(var/C in columns)
results+=C
var/DBColumn/cur_col = columns[C]
results[C] = src.item[(cur_col.position+1)]
return results
/datum/db_query/proc/Close()
item.len = 0
columns = null
conversions = null
return _dm_db_close(_db_query)
/datum/db_query/proc/Quote(str)
return db_connection.Quote(str)
/datum/db_query/proc/SetConversion(column,conversion)
if(istext(column)) column = columns.Find(column)
if(!conversions) conversions = new/list(column)
else if(conversions.len < column) conversions.len = column
conversions[column] = conversion
/DBColumn
var/name
var/table
var/position //1-based index into item data
var/sql_type
var/flags
var/length
var/max_length
/DBColumn/New(name_handler,table_handler,position_handler,type_handler,flag_handler,length_handler,max_length_handler)
src.name = name_handler
src.table = table_handler
src.position = position_handler
src.sql_type = type_handler
src.flags = flag_handler
src.length = length_handler
src.max_length = max_length_handler
return ..()
/DBColumn/proc/SqlTypeName(type_handler=src.sql_type)
switch(type_handler)
if(TINYINT) return "TINYINT"
if(SMALLINT) return "SMALLINT"
if(MEDIUMINT) return "MEDIUMINT"
if(INTEGER) return "INTEGER"
if(BIGINT) return "BIGINT"
if(FLOAT) return "FLOAT"
if(DOUBLE) return "DOUBLE"
if(DATE) return "DATE"
if(DATETIME) return "DATETIME"
if(TIMESTAMP) return "TIMESTAMP"
if(TIME) return "TIME"
if(STRING) return "STRING"
if(BLOB) return "BLOB"
#undef Default_Cursor
#undef Client_Cursor
#undef Server_Cursor
#undef TEXT_CONV
#undef RSC_FILE_CONV
#undef NUMBER_CONV
#undef IS_NUMERIC
#undef IS_BINARY
#undef IS_NOT_NULL
#undef IS_PRIMARY_KEY
#undef IS_UNSIGNED
#undef TINYINT
#undef SMALLINT
#undef MEDIUMINT
#undef INTEGER
#undef BIGINT
#undef DECIMAL
#undef FLOAT
#undef DOUBLE
#undef DATE
#undef DATETIME
#undef TIMESTAMP
#undef TIME
#undef STRING
#undef BLOB