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_DataMgr.cfc
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<!--- 2.5.3 (Build 175) --->
<!--- Last Updated: 2013-12-11 --->
<!--- Created by Steve Bryant 2004-12-08 --->
<!--- Information: http://www.bryantwebconsulting.com/docs/datamgr/?version=2.5 --->
<cfcomponent displayname="Data Manager" hint="I manage data interactions with the database. I can be used to handle inserts/updates.">
<cfset variables.DataMgrVersion = "2.5.3">
<cfset variables.DefaultDatasource = getDefaultDatasource()>
<cffunction name="init" access="public" returntype="DataMgr" output="no" hint="I instantiate and return this object.">
<cfargument name="datasource" type="string" required="no" default="#variables.DefaultDatasource#">
<cfargument name="database" type="string" required="no">
<cfargument name="username" type="string" required="no">
<cfargument name="password" type="string" required="no">
<cfargument name="SmartCache" type="boolean" default="false">
<cfargument name="SpecialDateType" type="string" default="CF">
<cfargument name="XmlData" type="string" required="no">
<cfargument name="logfile" type="string" required="no">
<cfset var me = 0>
<cfset variables.datasource = arguments.datasource>
<cfset variables.CFServer = Server.ColdFusion.ProductName>
<cfset variables.CFVersion = ListFirst(Server.ColdFusion.ProductVersion)>
<cfset variables.SpecialDateType = arguments.SpecialDateType>
<cfif StructKeyExists(arguments,"username") AND StructKeyExists(arguments,"password")>
<cfset variables.username = arguments.username>
<cfset variables.password = arguments.password>
</cfif>
<cfif StructKeyExists(arguments,"logfile") AND Len(Arguments.logfile)>
<cfset variables.logfile = arguments.logfile>
</cfif>
<cfif StructKeyExists(arguments,"defaultdatabase")>
<cfset variables.defaultdatabase = arguments.defaultdatabase>
</cfif>
<cfset variables.SmartCache = arguments.SmartCache>
<cfset variables.dbprops = getProps()>
<cfset variables.tables = StructNew()><!--- Used to internally keep track of table fields used by DataMgr --->
<cfset variables.tableprops = StructNew()><!--- Used to internally keep track of tables properties used by DataMgr --->
<cfset setCacheDate()><!--- Used to internally keep track caching --->
<!--- instructions for special processing decisions --->
<cfset variables.nocomparetypes = "CF_SQL_LONGVARCHAR,CF_SQL_CLOB,CF_SQL_BLOB"><!--- Don't run comparisons against fields of these cf_datatypes for queries --->
<cfset variables.dectypes = "CF_SQL_DECIMAL"><!--- Decimal types (shouldn't be rounded by DataMgr) --->
<cfset variables.aggregates = "avg,count,max,min,sum">
<!--- Information for logging --->
<cfset variables.doLogging = false>
<cfset variables.logtable = "datamgrLogs">
<cfset variables.UUID = CreateUUID()>
<!--- Code to run only if not in a database adaptor already --->
<cfif ListLast(getMetaData(this).name,".") EQ "DataMgr">
<cfif NOT StructKeyExists(arguments,"database")>
<cfset addEngineEnhancements(true)>
<cfset arguments.database = getDatabase()>
</cfif>
<!--- This will make sure that if a database is passed the component for that database is returned --->
<cfif StructKeyExists(arguments,"database")>
<cfif StructKeyExists(variables,"username") AND StructKeyExists(variables,"password")>
<cfset me = CreateObject("component","DataMgr_#arguments.database#").init(datasource=arguments.datasource,username=arguments.username,password=arguments.password)>
<cfelse>
<cfset me = CreateObject("component","DataMgr_#arguments.database#").init(arguments.datasource)>
</cfif>
</cfif>
<cfelse>
<cfset addEngineEnhancements(false)>
<cfset me = this>
</cfif>
<cfif StructKeyExists(arguments,"XmlData")>
<cfset me.loadXml(arguments.XmlData,true,true)/>
</cfif>
<cfreturn me>
</cffunction>
<cffunction name="addEngineEnhancements" access="private" returntype="void" output="no">
<cfargument name="isLoadingDatabaseType" type="boolean" default="false">
<cfset var oMixer = 0>
<cfset var key = "">
<cfif ListFirst(variables.CFServer," ") EQ "ColdFusion" AND variables.CFVersion GTE 8>
<cfset oMixer = CreateObject("component","DataMgrEngine_cf8")>
<cfelseif variables.CFServer EQ "BlueDragon">
<cfset oMixer = CreateObject("component","DataMgrEngine_openbd")>
<cfelseif variables.CFServer EQ "Railo">
<cfset oMixer = CreateObject("component","DataMgrEngine_railo")>
</cfif>
<cfif isObject(oMixer)>
<cfloop collection="#oMixer#" item="key">
<cfif key NEQ "getDatabase" OR arguments.isLoadingDatabaseType>
<cfset variables[key] = oMixer[key]>
<cfif StructKeyExists(This,key)>
<cfset This[key] = oMixer[key]>
</cfif>
</cfif>
</cfloop>
</cfif>
</cffunction>
<cffunction name="setCacheDate" access="public" returntype="void" output="no">
<cfset variables.CacheDate = now()>
</cffunction>
<cffunction name="getDefaultDatasource" access="public" returntype="string" output="no">
<cfset var result = "">
<cftry>
<cfif isDefined("Application") AND StructKeyExists(Application,"Datasource")>
<cfset result = Application.Datasource>
</cfif>
<cfcatch>
</cfcatch>
</cftry>
<cfreturn result>
</cffunction>
<cffunction name="clean" access="public" returntype="struct" output="no" hint="I return a clean version (stripped of MS-Word characters) of the given structure.">
<cfargument name="Struct" type="struct" required="yes">
<cfset var key = "">
<cfset var sResult = StructNew()>
<cfscript>
for (key in arguments.Struct) {
if ( Len(key) AND StructKeyExists(arguments.Struct,key) AND isSimpleValue(arguments.Struct[key]) ) {
// Trim the field value. -- Don't do it! This causes trouble with encrypted strings
//sResult[key] = Trim(sResult[key]);
// Replace the special characters that Microsoft uses.
sResult[key] = arguments.Struct[key];
sResult[key] = Replace(sResult[key], Chr(8211), "-", "ALL");// dashes
sResult[key] = Replace(sResult[key], Chr(8212), "-", "ALL");// dashes
sResult[key] = Replace(sResult[key], Chr(8216), Chr(39), "ALL");// apostrophe / single-quote
sResult[key] = Replace(sResult[key], Chr(8217), Chr(39), "ALL");// apostrophe / single-quote
sResult[key] = Replace(sResult[key], Chr(8220), Chr(34), "ALL");// quotes
sResult[key] = Replace(sResult[key], Chr(8221), Chr(34), "ALL");// quotes
sResult[key] = Replace(sResult[key], Chr(8230), "...", "ALL");// elipses
sResult[key] = Replace(sResult[key], Chr(8482), "™", "ALL");// trademark
sResult[key] = Replace(sResult[key], "&##39;", Chr(39), "ALL");// apostrophe / single-quote
sResult[key] = Replace(sResult[key], "&##160;", Chr(39), "ALL");// space
sResult[key] = Replace(sResult[key], "&##8211;", "-", "ALL");// dashes
sResult[key] = Replace(sResult[key], "&##8212;", "-", "ALL");// dashes
sResult[key] = Replace(sResult[key], "&##8216;", Chr(39), "ALL");// apostrophe / single-quote
sResult[key] = Replace(sResult[key], "&##8217;", Chr(39), "ALL");// apostrophe / single-quote
sResult[key] = Replace(sResult[key], "&##8220;", Chr(34), "ALL");// quotes
sResult[key] = Replace(sResult[key], "&##8221;", Chr(34), "ALL");// quotes
sResult[key] = Replace(sResult[key], "&##8230;", "...", "ALL");// elipses
sResult[key] = Replace(sResult[key], "&##8482;", "™", "ALL");// trademark
}
}
</cfscript>
<cfreturn sResult>
</cffunction>
<cffunction name="createTable" access="public" returntype="string" output="no" hint="I take a table (for which the structure has been loaded) and create the table in the database.">
<cfargument name="tablename" type="string" required="yes">
<cfset var CreateSQL = getCreateSQL(arguments.tablename)>
<cfset var thisSQL = "">
<cfset var ii = 0><!--- generic counter --->
<cfset var arrFields = getFields(arguments.tablename)><!--- table structure --->
<cfset var increments = 0>
<!--- Make sure table has no more than one increment field --->
<cfloop index="ii" from="1" to="#ArrayLen(arrFields)#" step="1">
<cfif arrFields[ii].Increment>
<cfset increments = increments + 1>
</cfif>
</cfloop>
<cfif increments GT 1>
<cfset throwDMError("#arguments.tablename# has more than one increment field. A table is limited to only one increment field.","MultipleIncrements")>
</cfif>
<cfset StructDelete(variables,"cache_dbtables")>
<!--- try to create table --->
<cftry>
<cfloop index="thisSQL" list="#CreateSQL#" delimiters=";"><cfif thisSQL CONTAINS " ">
<!--- Ugly hack to get around Oracle's need for a semi-colon in SQL that doesn't split up SQL commands --->
<cfset thisSQL = ReplaceNoCase(thisSQL,"|DataMgr_SemiColon|",";","ALL")>
<cfset runSQL(thisSQL)>
</cfif></cfloop>
<cfcatch><!--- If the ceation fails, throw an error with the sql code used to create the database. --->
<cfif NOT (
CFCATCH.Message CONTAINS "There is already an object named"
OR (
StructKeyExists(CFCATCH,"Cause")
AND StructKeyExists(CFCATCH.Cause,"Message")
AND CFCATCH.Cause.Message CONTAINS "There is already an object named"
)
)>
<cfset throwDMError("SQL Error in Creation. Verify Datasource (#chr(34)##variables.datasource##chr(34)#) is valid.","CreateFailed",CreateSQL)>
</cfif>
</cfcatch>
</cftry>
<cfset setCacheDate()>
<cfreturn CreateSQL>
</cffunction>
<cffunction name="dbtableexists" access="public" returntype="boolean" output="no" hint="I indicate whether or not the given table exists in the database">
<cfargument name="tablename" type="string" required="true">
<cfargument name="dbtables" type="string" default="">
<cfset var result = false>
<cfif NOT ( StructKeyExists(arguments,"dbtables") AND Len(Trim(arguments.dbtables)) )>
<cfset arguments.dbtables = "">
<cftry><!--- Try to get a list of tables load in DataMgr --->
<cfset arguments.dbtables = getDatabaseTablesCache()>
<cfcatch>
</cfcatch>
</cftry>
</cfif>
<cfif Len(arguments.dbtables)><!--- If we have tables loaded in DataMgr --->
<cfif ListFindNoCase(arguments.dbtables, arguments.tablename)>
<cfset result = true>
</cfif>
</cfif>
<!--- SEB 2010-04-25: This seems a tad aggresive (a lot of penalty for a just in case measure). Let's ditch it unless it proves essential. --->
<cfif false AND NOT result>
<cfset result = true>
<cftry><!--- create any table on which a select statement errors --->
<cfset qTest = runSQL("SELECT #getMaxRowsPrefix(1)# #escape(variables.tables[arguments.tablename][1].ColumnName)# FROM #escape(arguments.tablename)# #getMaxRowsSuffix(1)#")>
<cfcatch>
<cfset result = false>
</cfcatch>
</cftry>
</cfif>
<cfreturn result>
</cffunction>
<cffunction name="CreateTables" access="public" returntype="void" output="no" hint="I create any tables that I know should exist in the database but don't.">
<cfargument name="tables" type="string" required="no" hint="I am a list of tables to create. If I am not provided createTables will try to create any table that has been loaded into it but does not exist in the database.">
<cfargument name="dbtables" type="string" required="false">
<cfset var table = "">
<cfset var tablesExist = StructNew()>
<cfset var qTest = 0>
<cfset var FailedSQL = "">
<cfset var DBErr = "">
<cfif NOT StructKeyExists(arguments,"tables")>
<cfset arguments.tables = StructKeyList(variables.tables)>
</cfif>
<cfif NOT ( StructKeyExists(arguments,"dbtables") AND Len(Trim(arguments.dbtables)) )>
<cfset arguments.dbtables = "">
<cftry><!--- Try to get a list of tables load in DataMgr --->
<cfset arguments.dbtables = getDatabaseTablesCache()>
<cfcatch>
</cfcatch>
</cftry>
</cfif>
<cfloop index="table" list="#arguments.tables#">
<!--- Create table if it doesn't exist --->
<cfif NOT dbtableexists(table,arguments.dbtables)>
<cftry>
<cfset createTable(table)>
<cfset arguments.dbtables = ListAppend(arguments.dbtables,table)>
<cfcatch type="DataMgr">
<cfif Len(CFCATCH.Detail)>
<cfset FailedSQL = ListAppend(FailedSQL,CFCATCH.Detail,";")>
<cfelse>
<cfset FailedSQL = ListAppend(FailedSQL,CFCATCH.Message,";")>
</cfif>
<cfif Len(CFCATCH.ExtendedInfo)>
<cfset DBErr = CFCATCH.ExtendedInfo>
</cfif>
</cfcatch>
</cftry>
</cfif>
</cfloop>
<cfif Len(FailedSQL)>
<cfset throwDMError("SQL Error in Creation. Verify Datasource (#chr(34)##variables.datasource##chr(34)#) is valid.","CreateFailed",FailedSQL,DBErr)>
</cfif>
</cffunction>
<cffunction name="deleteRecord" access="public" returntype="void" output="no" hint="I delete the record with the given Primary Key(s).">
<cfargument name="tablename" type="string" required="yes" hint="The name of the table from which to delete a record.">
<cfargument name="data" type="any" required="yes" hint="A structure indicating the record to delete. A key indicates a field. The structure should have a key for each primary key in the table.">
<cfset var i = 0><!--- just a counter --->
<cfset var fields = getUpdateableFields(arguments.tablename)>
<cfset var pkfields = getPKFields(arguments.tablename)><!--- the primary key fields for this table --->
<cfset var rfields = getRelationFields(arguments.tablename)><!--- relation fields in table --->
<cfset var in = arguments.data><!--- The incoming data structure --->
<cfset var isLogicalDelete = isLogicalDeletion(arguments.tablename)>
<cfset var qRecord = 0>
<cfset var sqlarray = ArrayNew(1)>
<cfset var out = 0>
<cfset var temp2 = 0>
<!---<cfset var qRelationList = 0>--->
<!---<cfset var subdatum = StructNew()>--->
<!---<cfset var sArgs = StructNew()>--->
<cfset var conflicttables = "">
<cfset var sCascadeDeletions = 0>
<cfset var pklist = getPrimaryKeyFieldNames(arguments.tablename)>
<!--- Throw exception if any pkfields are missing from incoming data --->
<cfloop index="i" from="1" to="#ArrayLen(pkfields)#" step="1">
<cfif NOT StructKeyExists(in,pkfields[i].ColumnName)>
<cfset throwDMError("All Primary Key fields (#pklist#) must be used when deleting a record. (Passed = #StructKeyList(in)#, Table=#arguments.tablename#)","RequiresAllPkFields")>
</cfif>
</cfloop>
<!--- Only get records by primary key --->
<cfloop collection="#in#" item="temp2">
<cfif NOT ListFindNoCase(pklist,temp2)>
<cfset StructDelete(in,temp2)>
</cfif>
</cfloop>
<cfset arguments.data = in>
<!--- Get the record containing the given data --->
<cfset qRecord = getRecord(arguments.tablename,in)>
<cfif qRecord.RecordCount EQ 1>
<!--- Look for onDelete errors --->
<cfset conflicttables = getDeletionConflicts(tablename=arguments.tablename,data=arguments.data,qRecord=qRecord)>
<cfif Len(conflicttables)>
<cfset throwDMError("You cannot delete a record in #arguments.tablename# when associated records exist in #conflicttables#.","NoDeletesWithRelated")>
</cfif>
<!---
SEB 2010-10-25: Replaced with above 3 lines (pending testing)
<cfloop index="i" from="1" to="#ArrayLen(rfields)#" step="1">
<cfif StructKeyExists(rfields[i].Relation,"onDelete") AND StructKeyExists(rfields[i].Relation,"onDelete") AND rfields[i].Relation["onDelete"] EQ "Error">
<cfif rfields[i].Relation["type"] EQ "list" OR ListFindNoCase(variables.aggregates,rfields[i].Relation["type"])>
<cfset subdatum.data = StructNew()>
<cfset subdatum.advsql = StructNew()>
<cfif StructKeyExists(rfields[i].Relation,"join-table")>
<cfset subdatum.subadvsql = StructNew()>
<cfset subdatum.subadvsql.WHERE = "#escape( rfields[i].Relation['join-table'] & '.' & rfields[i].Relation['join-table-field-remote'] )# = #escape( rfields[i].Relation['table'] & '.' & rfields[i].Relation['remote-table-join-field'] )#">
<cfset subdatum.data[rfields[i].Relation["local-table-join-field"]] = qRecord[rfields[i].Relation["join-table-field-local"]][1]>
<cfset subdatum.advsql.WHERE = ArrayNew(1)>
<cfset ArrayAppend(subdatum.advsql.WHERE,"EXISTS (")>
<cfset ArrayAppend(subdatum.advsql.WHERE,getRecordsSQL(tablename=rfields[i].Relation["join-table"],data=subdatum.data,advsql=subdatum.subadvsql,isInExists=true))>
<cfset ArrayAppend(subdatum.advsql.WHERE,")")>
<cfelse>
<cfset subdatum.data[rfields[i].Relation["join-field-remote"]] = qRecord[rfields[i].Relation["join-field-local"]][1]>
</cfif>
<cfset sArgs["tablename"] = rfields[i].Relation["table"]>
<cfset sArgs["data"] = subdatum.data>
<cfset sArgs["fieldlist"] = rfields[i].Relation["field"]>
<cfset sArgs["advsql"] = subdatum.advsql>
<cfif StructKeyExists(rfields[i].Relation,"filters") AND isArray(rfields[i].Relation.filters)>
<cfset sArgs["filters"] = rfields[i].Relation.filters>
</cfif>
<cfset qRelationList = getRecords(argumentCollection=sArgs)>
<cfif qRelationList.RecordCount>
<cfset throwDMError("You cannot delete a record in #arguments.tablename# when associated records exist in #rfields[i].Relation.table#.","NoDeletesWithRelated")>
</cfif>
</cfif>
</cfif>
</cfloop>--->
<!--- Look for onDelete cascade --->
<cfset sCascadeDeletions = getCascadeDeletions(tablename=arguments.tablename,data=arguments.data,qRecord=qRecord)>
<cfloop item="temp2" collection="#sCascadeDeletions#">
<cfset deleteRecords(tablename=temp2,data=sCascadeDeletions[temp2])>
</cfloop>
<!---
SEB 2010-10-25: Replaced with above 3 lines (pending testing)
<cfloop index="i" from="1" to="#ArrayLen(rfields)#" step="1">
<cfif
(
StructKeyExists(rfields[i].Relation,"onDelete")
AND rfields[i].Relation["onDelete"] EQ "Cascade"
)
AND (
rfields[i].Relation["type"] EQ "list"
OR ListFindNoCase(variables.aggregates,rfields[i].Relation["type"])
)
>
<cfset out = StructNew()>
<cfif StructKeyExists(rfields[i].Relation,"join-table")>
<cfset out[rfields[i].Relation["join-table-field-local"]] = in[rfields[i].Relation["local-table-join-field"]]>
<cfset deleteRecords(rfields[i].Relation["join-table"],out)>
<cfelse>
<cfset out[rfields[i].Relation["join-field-remote"]] = qRecord[rfields[i].Relation["join-field-local"]][1]>
<cfset deleteRecords(rfields[i].Relation["table"],out)>
</cfif>
</cfif>
</cfloop>
--->
<!--- Perform the delete --->
<cfif isLogicalDelete>
<!--- Look for DeletionMark field --->
<cfloop index="i" from="1" to="#ArrayLen(fields)#" step="1">
<cfif StructKeyExists(fields[i],"Special") AND fields[i].Special EQ "DeletionMark">
<cfif fields[i].CF_DataType EQ "CF_SQL_BIT">
<cfset in[fields[i].ColumnName] = 1>
<cfelseif fields[i].CF_DataType EQ "CF_SQL_DATE" OR fields[i].CF_DataType EQ "CF_SQL_DATETIME">
<cfset in[fields[i].ColumnName] = now()>
</cfif>
</cfif>
</cfloop>
<cfset updateRecord(arguments.tablename,in)>
<cfelse>
<!--- Delete Record --->
<cfset sqlarray = ArrayNew(1)>
<cfset ArrayAppend(sqlarray,"DELETE FROM #escape(arguments.tablename)# WHERE 1 = 1")>
<cfset ArrayAppend(sqlarray,getWhereSQL(argumentCollection=arguments))>
<cfset runSQLArray(sqlarray)>
<!--- Log delete --->
<cfif variables.doLogging AND NOT arguments.tablename EQ variables.logtable>
<cfinvoke method="logAction">
<cfinvokeargument name="tablename" value="#arguments.tablename#">
<cfif ArrayLen(pkfields) EQ 1 AND StructKeyExists(in,pkfields[1].ColumnName)>
<cfinvokeargument name="pkval" value="#in[pkfields[1].ColumnName]#">
</cfif>
<cfinvokeargument name="action" value="delete">
<cfinvokeargument name="data" value="#in#">
<cfinvokeargument name="sql" value="#sqlarray#">
</cfinvoke>
</cfif>
</cfif>
<cfset setCacheDate()>
</cfif>
</cffunction>
<cffunction name="deleteRecords" access="public" returntype="void" output="no" hint="I delete the records with the given data.">
<cfargument name="tablename" type="string" required="yes" hint="The name of the table from which to delete a record.">
<cfargument name="data" type="struct" default="#StructNew()#" hint="A structure indicating the record to delete. A key indicates a field. The structure should have a key for each primary key in the table.">
<cfset var qRecords = getRecords(tablename=arguments.tablename,data=arguments.data,fieldlist=getPrimaryKeyFieldNames(arguments.tablename))>
<cfset var out = StructNew()>
<cfoutput query="qRecords">
<cfset out = QueryRowToStruct(qRecords,CurrentRow)>
<cfset deleteRecord(arguments.tablename,out)>
</cfoutput>
</cffunction>
<cffunction name="getBooleanSqlValue" access="public" returntype="string" output="no">
<cfargument name="value" type="string" required="yes">
<cfset var result = "NULL">
<cfif isBoolean(arguments.value)>
<cfif arguments.value>
<cfset result = "1">
<cfelse>
<cfset result = "0">
</cfif>
</cfif>
<cfreturn result>
</cffunction>
<cffunction name="getCascadeDeletions" access="public" returntype="struct" output="no">
<cfargument name="tablename" type="string" required="yes" hint="The name of the table from which to delete a record.">
<cfargument name="data" type="struct" required="yes" hint="A structure indicating the record to delete. A key indicates a field. The structure should have a key for each primary key in the table.">
<cfset var rfields = getRelationFields(arguments.tablename)><!--- relation fields in table --->
<cfset var ii = 0>
<cfset var sResult = StructNew()>
<cfif NOT StructKeyExists(arguments,"qRecord")>
<cfset arguments.qRecord = getRecord(tablename=arguments.tablename,data=arguments.data)>
</cfif>
<cfloop index="ii" from="1" to="#ArrayLen(rfields)#" step="1">
<cfif
(
ListFindNoCase(variables.aggregates,rfields[ii].Relation["type"])
OR rfields[ii].Relation["type"] EQ "list"
)
AND (
(
StructKeyExists(rfields[ii].Relation,"onDelete")
AND rfields[ii].Relation["onDelete"] EQ "Cascade"
)
OR (
StructKeyExists(rfields[ii].Relation,"join-table")
AND NOT (
StructKeyExists(rfields[ii].Relation,"onDelete")
AND rfields[ii].Relation["onDelete"] NEQ "Cascade"
)
)
)
AND (
StructKeyExists(rfields[ii].Relation,"table")
AND NOT StructKeyExists(sResult,rfields[ii].Relation["table"])
)
>
<cfif StructKeyExists(rfields[ii].Relation,"join-table")>
<cfset sResult[rfields[ii].Relation["join-table"]] = StructNew()>
<cfset sResult[rfields[ii].Relation["join-table"]][rfields[ii].Relation["join-table-field-local"]] = arguments.qRecord[rfields[ii].Relation["local-table-join-field"]][1]>
<cfelse>
<cfset sResult[rfields[ii].Relation["table"]] = StructNew()>
<cfset sResult[rfields[ii].Relation["table"]][rfields[ii].Relation["join-field-remote"]] = arguments.qRecord[rfields[ii].Relation["join-field-local"]][1]>
</cfif>
</cfif>
</cfloop>
<cfreturn sResult>
</cffunction>
<cffunction name="getDataBase" access="public" returntype="string" output="no" hint="I return the database platform being used.">
<cfset var connection = 0>
<cfset var db = "">
<cfset var type = "">
<!---<cfset var qDatabases = getSupportedDatabases()>--->
<cfif Len(variables.datasource)>
<cftry>
<cfset connection = getConnection()>
<cfcatch>
<cfif StructKeyExists(variables,"defaultdatabase")>
<cfset type = variables.defaultdatabase>
<cfelse>
<cfif cfcatch.Message CONTAINS "Permission denied">
<cfset throwDMError("DataMgr was unable to determine database type.","DatabaseTypeRequired","DataMgr was unable to determine database type. Please pass the database argument (second argument of init method) to DataMgr.")>
<cfelse>
<cfrethrow>
</cfif>
</cfif>
</cfcatch>
</cftry>
<cfset db = connection.getMetaData().getDatabaseProductName()>
<cfset connection.close()>
<cfswitch expression="#db#">
<cfcase value="Microsoft SQL Server">
<cfset type = "MSSQL">
</cfcase>
<cfcase value="MySQL">
<cfset type = "MYSQL">
</cfcase>
<cfcase value="PostgreSQL">
<cfset type = "PostGreSQL">
</cfcase>
<cfcase value="Oracle">
<cfset type = "Oracle">
</cfcase>
<cfcase value="MS Jet">
<cfset type = "Access">
</cfcase>
<cfcase value="Apache Derby">
<cfset type = "Derby">
</cfcase>
<cfdefaultcase>
<cfif ListFirst(db,"/") EQ "DB2">
<cfset type = "DB2">
<cfelse>
<cfset type = "unknown">
<cfset type = db>
</cfif>
</cfdefaultcase>
</cfswitch>
<cfelse>
<cfset type = "Sim">
</cfif>
<cfreturn type>
</cffunction>
<cffunction name="getDatabaseProperties" access="public" returntype="struct" output="no" hint="I return some properties about this database">
<cfset var sProps = StructNew()>
<cfreturn sProps>
</cffunction>
<cffunction name="getDatabaseShortString" access="public" returntype="string" output="no" hint="I return the string that can be found in the driver or JDBC URL for the database platform being used.">
<cfreturn "unknown"><!--- This method will get overridden in database-specific DataMgr components --->
</cffunction>
<cffunction name="getDatabaseDriver" access="public" returntype="string" output="no" hint="I return the string that can be found in the driver or JDBC URL for the database platform being used.">
<cfreturn "">
</cffunction>
<cffunction name="getDatasource" access="public" returntype="string" output="no" hint="I return the datasource used by this Data Manager.">
<cfreturn variables.datasource>
</cffunction>
<cffunction name="getDBFieldList" access="public" returntype="string" output="no" hint="I return a list of fields in the database for the given table.">
<cfargument name="tablename" type="string" required="yes">
<cfset var qFields = runSQL("SELECT #getMaxRowsPrefix(1)# * FROM #escape(arguments.tablename)# #getMaxRowsSuffix(1)#")>
<cfreturn qFields.ColumnList>
</cffunction>
<cffunction name="getDefaultValues" access="public" returntype="struct" output="false" hint="">
<cfargument name="tablename" type="string" required="yes">
<cfset var sFields = 0>
<cfset var aFields = 0>
<cfset var ii = 0>
<!--- If fields data if stored --->
<cfif StructKeyExists(variables.tableprops,arguments.tablename) AND StructKeyExists(variables.tableprops[arguments.tablename],"fielddefaults")>
<cfset sFields = variables.tableprops[arguments.tablename]["fielddefaults"]>
<cfelse>
<cfset aFields = getFields(arguments.tablename)>
<cfset sFields = StructNew()>
<!--- Get fields with length and set key appropriately --->
<cfloop index="ii" from="1" to="#ArrayLen(aFields)#" step="1">
<cfif StructKeyExists(aFields[ii],"Default") AND Len(aFields[ii].Default)>
<cfset sFields[aFields[ii].ColumnName] = aFields[ii].Default>
<cfelse>
<cfset sFields[aFields[ii].ColumnName] = "">
</cfif>
</cfloop>
<cfset variables.tableprops[arguments.tablename]["fielddefaults"] = sFields>
</cfif>
<cfreturn sFields>
</cffunction>
<cffunction name="getDeletionConflicts" access="public" returntype="string" output="no">
<cfargument name="tablename" type="string" required="yes" hint="The name of the table from which to delete a record.">
<cfargument name="data" type="struct" required="yes" hint="A structure indicating the record to delete. A key indicates a field. The structure should have a key for each primary key in the table.">
<cfset var rfields = getRelationFields(arguments.tablename)><!--- relation fields in table --->
<cfset var ii = 0>
<cfset var subdatum = 0>
<cfset var sArgs = 0>
<cfset var qRelationList = 0>
<cfset var result = "">
<cfif NOT StructKeyExists(arguments,"qRecord")>
<cfset arguments.qRecord = getRecord(tablename=arguments.tablename,data=arguments.data)>
</cfif>
<cfloop index="ii" from="1" to="#ArrayLen(rfields)#" step="1">
<cfif
(
StructKeyExists(rfields[ii].Relation,"onDelete")
AND rfields[ii].Relation["onDelete"] EQ "Error"
)
AND (
StructKeyExists(rfields[ii].Relation,"table")
AND NOT ListFindNoCase(result,rfields[ii].Relation["table"])
)
AND (
rfields[ii].Relation["type"] EQ "list"
OR ListFindNoCase(variables.aggregates,rfields[ii].Relation["type"])
)
>
<cfset sArgs = StructNew()>
<cfset subdatum = StructNew()>
<cfset subdatum.data = StructNew()>
<cfset subdatum.advsql = StructNew()>
<cfif StructKeyExists(rfields[ii].Relation,"join-table")>
<cfset subdatum.subadvsql = StructNew()>
<cfset subdatum.subadvsql.WHERE = "#escape( rfields[ii].Relation['join-table'] & '.' & rfields[ii].Relation['join-table-field-remote'] )# = #escape( rfields[ii].Relation['table'] & '.' & rfields[ii].Relation['remote-table-join-field'] )#">
<cfset subdatum.data[rfields[ii].Relation["local-table-join-field"]] = arguments.qRecord[rfields[ii].Relation["join-table-field-local"]][1]>
<cfset subdatum.advsql.WHERE = ArrayNew(1)>
<cfset ArrayAppend(subdatum.advsql.WHERE,"EXISTS (")>
<cfset ArrayAppend(subdatum.advsql.WHERE,getRecordsSQL(tablename=rfields[ii].Relation["join-table"],data=subdatum.data,advsql=subdatum.subadvsql,isInExists=true))>
<cfset ArrayAppend(subdatum.advsql.WHERE,")")>
<cfelse>
<cfset subdatum.data[rfields[ii].Relation["join-field-remote"]] = arguments.qRecord[rfields[ii].Relation["join-field-local"]][1]>
</cfif>
<cfset sArgs["tablename"] = rfields[ii].Relation["table"]>
<cfset sArgs["data"] = subdatum.data>
<cfset sArgs["fieldlist"] = rfields[ii].Relation["field"]>
<cfset sArgs["advsql"] = subdatum.advsql>
<cfif StructKeyExists(rfields[ii].Relation,"filters") AND isArray(rfields[ii].Relation.filters)>
<cfset sArgs["filters"] = rfields[ii].Relation.filters>
</cfif>
<cfset qRelationList = getRecords(argumentCollection=sArgs)>
<cfif qRelationList.RecordCount>
<cfset result = ListAppend(result,rfields[ii].Relation.table)>
</cfif>
</cfif>
</cfloop>
<cfreturn result>
</cffunction>
<cffunction name="getIsDeletableSQL" access="public" returntype="array" output="no">
<cfargument name="tablename" type="string" required="yes" hint="The name of the table from which to delete a record.">
<cfset var rfields = getRelationFields(arguments.tablename)><!--- relation fields in table --->
<cfset var ii = 0>
<cfset var sArgs = 0>
<cfset var aSQL = ArrayNew(1)>
<cfset var tables = "">
<cfset var hasNestedSQL = false>
<cfif NOT StructKeyExists(arguments,"tablealias")>
<cfset arguments.tablealias = arguments.tablename>
</cfif>
<cfif StructKeyExists(arguments,"ignore")>
<cfset tables = arguments.ignore>
</cfif>
<cfset ArrayAppend(
aSQL,
"
(
CASE
WHEN (
1 = 1
"
)>
<cfloop index="ii" from="1" to="#ArrayLen(rfields)#" step="1">
<cfif
(
StructKeyExists(rfields[ii].Relation,"table")
AND NOT ListFindNoCase(tables,rfields[ii].Relation["table"])
)
AND (
rfields[ii].Relation["type"] EQ "list"
OR ListFindNoCase(variables.aggregates,rfields[ii].Relation["type"])
)
AND (
StructKeyExists(rfields[ii].Relation,"onDelete")
AND (
rfields[ii].Relation["onDelete"] EQ "Error"
OR rfields[ii].Relation["onDelete"] EQ "Cascade"
)
)
>
<cfset tables = ListAppend(tables,rfields[ii].Relation["table"])>
<cfif rfields[ii].Relation["onDelete"] EQ "Error">
<cfset sArgs = StructNew()>
<cfset sArgs["tablename"] = rfields[ii].Relation["table"]>
<cfset sArgs["tablealias"] = rfields[ii].Relation["table"]>
<cfif sArgs["tablealias"] EQ arguments.tablealias>
<cfset sArgs["tablealias"] = sArgs["tablealias"] & "_DataMgr_inner">
</cfif>
<cfset sArgs["isInExists"] = true>
<cfset sArgs["fieldlist"] = rfields[ii].Relation["field"]>
<cfif StructKeyExists(rfields[ii].Relation,"filters") AND isArray(rfields[ii].Relation.filters)>
<cfset sArgs["filters"] = rfields[ii].Relation.filters>
</cfif>
<cfset sArgs["advsql"] = StructNew()>
<cfset sArgs["advsql"]["WHERE"] = ArrayNew(1)>
<cfif StructKeyExists(rfields[ii].Relation,"join-table")>
<cfset sArgs["join"] = StructNew()>
<cfset sArgs["join"]["table"] = rfields[ii].Relation["join-table"]>
<cfset sArgs["join"]["type"] = "INNER">
<cfset sArgs["join"]["onleft"] = rfields[ii].Relation["remote-table-join-field"]>
<cfset sArgs["join"]["onright"] = rfields[ii].Relation["join-table-field-remote"]>
<cfset ArrayAppend(sArgs["advsql"]["WHERE"],getFieldSelectSQL(tablename=rfields[ii].Relation["join-table"],field=rfields[ii].Relation["join-table-field-local"],tablealias=rfields[ii].Relation["join-table"],useFieldAlias=false))>
<cfset ArrayAppend(sArgs["advsql"]["WHERE"]," = ")>
<cfset ArrayAppend(sArgs["advsql"]["WHERE"],getFieldSelectSQL(tablename=arguments.tablename,field=rfields[ii].Relation['local-table-join-field'],tablealias=arguments.tablealias,useFieldAlias=false))>
<cfelse>
<cfset ArrayAppend(sArgs["advsql"]["WHERE"],getFieldSelectSQL(tablename=sArgs.tablename,field=rfields[ii].Relation['join-field-remote'],tablealias=sArgs.tablealias,useFieldAlias=false))>
<cfset ArrayAppend(sArgs["advsql"]["WHERE"]," = ")>
<cfset ArrayAppend(sArgs["advsql"]["WHERE"],getFieldSelectSQL(tablename=arguments.tablename,field=rfields[ii].Relation['join-field-local'],tablealias=arguments.tablealias,useFieldAlias=false))>
</cfif>
<cfset ArrayAppend(aSQL,"AND NOT EXISTS (")>
<cfset ArrayAppend(aSQL,getRecordsSQL(argumentCollection=sArgs))>
<cfset ArrayAppend(aSQL,")")>
<cfelse>
<cfset sArgs = StructNew()>
<cfset sArgs["tablename"] = rfields[ii].Relation["table"]>
<cfset sArgs["tablealias"] = sArgs["tablename"]>
<cfif sArgs["tablealias"] EQ arguments.tablealias>
<cfset sArgs["tablealias"] = sArgs["tablealias"] & "_DataMgr_inner">
</cfif>
<cfset sArgs["ignore"] = arguments.tablename>
<cfset ArrayAppend(aSQL,"
AND (
NOT EXISTS (
SELECT 1
FROM #escape(rfields[ii].Relation['table'])#
WHERE 1 = 1
AND (
1 = 0
OR (
")>
<cfset ArrayAppend(aSQL,getIsDeletableSQL(argumentCollection=sArgs))>
<cfset ArrayAppend(aSQL,"
) = 0
)
)
)
")>
</cfif>
<cfset hasNestedSQL = true>
</cfif>
</cfloop>
<cfset ArrayAppend(
aSQL,
"
)
THEN #getBooleanSqlValue(true)#
ELSE #getBooleanSqlValue(false)#
END
)
"
)>
<cfif NOT hasNestedSQL>
<cfset aSQL = ArrayNew(1)>
<cfset ArrayAppend(aSQL,getBooleanSqlValue(true))>
</cfif>
<cfreturn aSQL>
</cffunction>
<cffunction name="getFieldList" access="public" returntype="string" output="no" hint="I get a list of fields in DataMgr for the given table.">
<cfargument name="tablename" type="string" required="yes">
<cfset var i = 0>
<cfset var fieldlist = "">
<cfset var bTable = checkTable(arguments.tablename)>
<cfif StructKeyExists(variables.tableprops,arguments.tablename) AND StructKeyExists(variables.tableprops[arguments.tablename],"fieldlist")>
<cfset fieldlist = variables.tableprops[arguments.tablename]["fieldlist"]>
<cfelse>
<!--- Loop over the fields in the table and make a list of them --->
<cfif StructKeyExists(variables.tables,arguments.tablename)>
<cfloop index="i" from="1" to="#ArrayLen(variables.tables[arguments.tablename])#" step="1">
<cfset fieldlist = ListAppend(fieldlist, variables.tables[arguments.tablename][i].ColumnName)>
</cfloop>
</cfif>
<cfset variables.tableprops[arguments.tablename]["fieldlist"] = fieldlist>
</cfif>
<cfreturn fieldlist>
</cffunction>
<cffunction name="getFieldLengths" access="public" returntype="struct" output="no" hint="I return a structure of the field lengths for fields where this is relevant.">
<cfargument name="tablename" type="string" required="yes">
<cfset var sFields = 0>
<cfset var aFields = 0>
<cfset var ii = 0>
<!--- If fields data if stored --->
<cfif StructKeyExists(variables.tableprops,arguments.tablename) AND StructKeyExists(variables.tableprops[arguments.tablename],"fieldlengths")>
<cfset sFields = variables.tableprops[arguments.tablename]["fieldlengths"]>
<cfelse>
<cfset aFields = getFields(arguments.tablename)>
<cfset sFields = StructNew()>
<!--- Get fields with length and set key appropriately --->
<cfloop index="ii" from="1" to="#ArrayLen(aFields)#" step="1">
<cfif
StructKeyExists(aFields[ii],"Length")
AND isNumeric(aFields[ii].Length)
AND aFields[ii].Length GT 0
AND FindNoCase("char",aFields[ii].CF_DataType)
AND NOT FindNoCase("long",aFields[ii].CF_DataType)
>
<cfset sFields[aFields[ii].ColumnName] = aFields[ii].Length>
</cfif>
</cfloop>
<cfset variables.tableprops[arguments.tablename]["fieldlengths"] = sFields>
</cfif>
<cfreturn sFields>
</cffunction>
<cffunction name="getFields" access="public" returntype="array" output="no" hint="I return an array of all real fields in the given table in DataMgr.">
<cfargument name="tablename" type="string" required="yes">
<cfset var ii = 0><!--- counter --->
<cfset var arrFields = ArrayNew(1)><!--- array of fields --->
<cfset var bTable = checkTable(arguments.tablename)><!--- Check whether table is loaded --->
<!--- If fields data if stored --->
<cfif StructKeyExists(variables.tableprops,arguments.tablename) AND StructKeyExists(variables.tableprops[arguments.tablename],"fields")>
<cfset arrFields = variables.tableprops[arguments.tablename]["fields"]>
<cfelse>
<!--- Loop over the fields and make an array of them --->
<cfloop index="ii" from="1" to="#ArrayLen(variables.tables[arguments.tablename])#" step="1">
<cfif StructKeyExists(variables.tables[arguments.tablename][ii],"CF_DataType") AND NOT StructKeyExists(variables.tables[arguments.tablename][ii],"Relation")>
<cfset ArrayAppend(arrFields, variables.tables[arguments.tablename][ii])>
</cfif>
</cfloop>
<cfset variables.tableprops[arguments.tablename]["fields"] = arrFields>
</cfif>
<cfreturn arrFields>
</cffunction>
<cffunction name="getMaxRowsPrefix" access="public" returntype="string" output="no" hint="I get the SQL before the field list in the select statement to limit the number of rows.">
<cfargument name="maxrows" type="numeric" required="yes">
<cfargument name="offset" type="numeric" default="0">
<cfreturn "TOP #arguments.maxrows+arguments.offset# ">
</cffunction>
<cffunction name="getMaxRowsSuffix" access="public" returntype="string" output="no" hint="I get the SQL after the query to limit the number of rows.">
<cfargument name="maxrows" type="numeric" required="yes">
<cfargument name="offset" type="numeric" default="0">
<cfreturn "">
</cffunction>
<cffunction name="getMaxRowsWhere" access="public" returntype="string" output="no" hint="I get the SQL in the where statement to limit the number of rows.">
<cfargument name="maxrows" type="numeric" required="yes">
<cfargument name="offset" type="numeric" default="0">
<cfreturn "1 = 1">
</cffunction>
<cffunction name="getNewSortNum" access="public" returntype="numeric" output="no" hint="I get the value an increment higher than the highest value in the given field to put a record at the end of the sort order.">
<cfargument name="tablename" type="string" required="yes">
<cfargument name="sortfield" type="string" required="yes" hint="The field holding the sort order.">
<cfset var qLast = 0>
<cfset var result = 0>
<cfset qLast = runSQL("SELECT Max(#escape(arguments.sortfield)#) AS #escape(arguments.sortfield)# FROM #escape(arguments.tablename)#")>
<cfif qLast.RecordCount and isNumeric(qLast[arguments.sortfield][1])>
<cfset result = qLast[arguments.sortfield][1] + 1>
<cfelse>
<cfset result = 1>
</cfif>
<cfreturn result>
</cffunction>
<cffunction name="getPKFields" access="public" returntype="array" output="no" hint="I return an array of primary key fields.">
<cfargument name="tablename" type="string" required="yes">
<cfset var bTable = checkTable(arguments.tablename)><!--- Check whether table is loaded --->
<cfset var ii = 0><!--- counter --->
<cfset var arrFields = ArrayNew(1)><!--- array of primarykey fields --->
<!--- If pkfields data if stored --->
<cfif StructKeyExists(variables.tableprops,arguments.tablename) AND StructKeyExists(variables.tableprops[arguments.tablename],"pkfields")>
<cfset arrFields = variables.tableprops[arguments.tablename]["pkfields"]>
<cfelse>
<cfloop index="ii" from="1" to="#ArrayLen(variables.tables[arguments.tablename])#" step="1">
<cfif StructKeyExists(variables.tables[arguments.tablename][ii],"PrimaryKey") AND variables.tables[arguments.tablename][ii].PrimaryKey>
<cfset ArrayAppend(arrFields, variables.tables[arguments.tablename][ii])>
</cfif>
</cfloop>
<cfset variables.tableprops[arguments.tablename]["pkfields"] = arrFields>
</cfif>
<cfreturn arrFields>
</cffunction>
<cffunction name="getPrimaryKeyField" access="public" returntype="struct" output="no" hint="I return primary key field for this table.">
<cfargument name="tablename" type="string" required="yes" hint="The table from which to return a primary key.">
<cfset var aPKFields = getPKFields(arguments.tablename)>
<cfif ArrayLen(aPKFields) NEQ 1>
<cfset throwDMError("The #arguments.tablename# does not have a simple primary key and so it cannot be used for this purpose.","NoSimplePrimaryKey")>
</cfif>
<cfreturn aPKFields[1]>
</cffunction>
<cffunction name="getPrimaryKeyFieldName" access="public" returntype="string" output="no" hint="I return primary key field for this table.">
<cfargument name="tablename" type="string" required="yes" hint="The table from which to return a primary key.">
<cfset var sField = getPrimaryKeyField(arguments.tablename)>
<cfreturn sField.ColumnName>
</cffunction>
<cffunction name="getPrimaryKeyFieldNames" access="public" returntype="string" output="no" hint="I return a list of primary key field for this table.">
<cfargument name="tablename" type="string" required="yes" hint="The table from which to return a primary key.">
<cfset var pkfields = getPKFields(arguments.tablename)><!--- the primary key fields for this table --->