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Database Abstraction Layer for PHP

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v5:reference:connection:recordcount

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v5:reference:connection:recordcount [2015/07/25 06:23]
mnewnham
v5:reference:connection:recordcount [2018/05/03 14:39] (current)
dregad [recordCount] method, not function
Line 2: Line 2:
 <WRAP right box> <WRAP right box>
 == See Also == == See Also ==
-[[|Compatibility ​Matrix]]+[[v5:​database:​feature_comparison|Feature Comparison ​Matrix]]
 == Syntax == == Syntax ==
    int recordCount()    int recordCount()
 </​WRAP>​ </​WRAP>​
-The function ​''​recordCount()'' ​return ​the number of records ​returned ​by the last select statement, or -1 if the database driver does not support the operation. +The ''​recordCount()'' ​method returns ​the number of records ​retrieved ​by the last select statement, or -1 if the database driver does not support the operation. ​ 
-</WRAP>+ 
 +If [[v5:​reference:​adodb_countrecs|$ADODB_COUNTRECS]] is set to true before a query is executed, then the number of records will be retrieved, even if the function has to be emulated by issuing a ''​COUNT *''​ on the query. This can result in slow responses. 
 +---------------------------- 
 +===== Usage ===== 
 +<code php> 
 +/* 
 + * Existing database connection assumed 
 + */ 
 +$result = $db->​Execute('​SELECT * FROM act'​);​ 
 +$recordCount = $result->​recordCount();​ 
 +</code>
  
v5/reference/connection/recordcount.1437798205.txt.gz · Last modified: 2017/04/21 11:33 (external edit)