Difference between revisions of "METADATA VALUE()"
Yvonne.milne (Talk | contribs) (Created page with "''Under Construction'' ==Purpose== Function to return the value of the specified METADATA attribute ==Syntax== METADATA_VALUE(<cAttribute>, <cSource>) ==See Also== ACLASS(...") |
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==Purpose== | ==Purpose== | ||
Function to return the value of the specified METADATA attribute | Function to return the value of the specified METADATA attribute | ||
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==Description== | ==Description== | ||
| − | The METADATA_VALUE() function is used to return the value of the specified METADATA attribute <cAttribute> from the source <cSource>. | + | The METADATA_VALUE() function is used to return the value of the specified METADATA attribute <cAttribute> from the source <cSource> as a character string. |
{| class="wikitable" width="100%" | {| class="wikitable" width="100%" | ||
!width="25%"|Argument||width="75%"|Description | !width="25%"|Argument||width="75%"|Description | ||
|- | |- | ||
| − | |valign=top|<cAttribute>|| | + | |valign=top|<cAttribute>||The attribute name as a character string. |
|- | |- | ||
| − | |<cSource>|| | + | |<cSource>||The MetaData source character string. |
|- | |- | ||
|} | |} | ||
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==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
| + | ? databasemetadata("docdb") | ||
| + | // purpose=documentation;createddate=20170227;createdversion=3.4;distribution=internal | ||
| + | cCreatedVersion = metadata_value("createdversion",databasemetadata("docdb")) | ||
| + | ? cCreatedVersion | ||
| + | // 3.4 | ||
</code> | </code> | ||
Revision as of 07:46, 21 March 2017
Contents
Purpose
Function to return the value of the specified METADATA attribute
Syntax
METADATA_VALUE(<cAttribute>, <cSource>)
See Also
ACLASS(), ADDPROPERTY(), ALTER TABLE, AMEMBERS(), COLUMNMETADATA(), COMPOBJ(), CREATE TABLE, CREATEOBJECT(), DATABASEMETADATA(), DEFINE CLASS, DISPLAY CLASSES, DODEFAULT(), FOREACH, JSON_DECODE(), JSON_DECODE_FILE(), JSON_ENCODE(), Lianja MetaData API, LIST CLASSES, LOADOBJECT(), METADATA_DECODE(), METADATA_ENCODE(), METADATA_FINDTYPE(), NEWOBJECT(), OBJECT(), PRINT_JSON(), PRINT_HTML(), PRINT_R(), PRINT_XML(), REMOVEPROPERTY(), REQUIRE_ONCE(), SAVEOBJECT(), SQL SELECT, TABLEMETADATA(), TABLEMETADATAVERSION()
Description
The METADATA_VALUE() function is used to return the value of the specified METADATA attribute <cAttribute> from the source <cSource> as a character string.
| Argument | Description |
|---|---|
| <cAttribute> | The attribute name as a character string. |
| <cSource> | The MetaData source character string. |
METADATA_VALUE() returns an empty string if <cAttribute> does not exist or if the condition does not match.
Example
? databasemetadata("docdb") // purpose=documentation;createddate=20170227;createdversion=3.4;distribution=internal cCreatedVersion = metadata_value("createdversion",databasemetadata("docdb")) ? cCreatedVersion // 3.4
