Difference between revisions of "NON EMPTY Clause in MDX"
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Latest revision as of 13:24, 4 January 2023
- Problem: we have a large query that we would like to properly execute with LDCX:
NON EMPTY SELECT CrossJoin({Members([httpXXX3AXXX2FXXX2FedgarwrapYYYontologycentralYYYcomXXX2FvocabXXX2FedgarXXX23subject])},{Members([httpXXX3AXXX2FXXX2FedgarwrapYYYontologycentralYYYcomXXX2FvocabXXX2FedgarXXX23segment])}) ON COLUMNS, NON EMPTY {[httpXXX3AXXX2FXXX2FpurlYYYorgXXX2FlinkedZZZdataXXX2FsdmxXXX2F2009XXX2FmeasureXXX23obsValueAGGFUNCCOUNT]} ON ROWS FROM [httpXXX3AXXX2FXXX2Folap4ldYYYgooglecodeYYYcomXXX2FgitXXX2FOLAP4LDZZZtrunkXXX2FtestsXXX2FedgarwrapXXX2F0001193125ZZZ10ZZZ230379YYYrdfXXX23ds]
- When executed using Example_QB_Datasets_QueryTest.java, apparently, in result, most values are "".
- First, we guessed, NonEmpty is wrong
Accounts payable current | | 0000909832 2009-08-30 | | | | | | 0000909832 2010-08-29 | | | | Accrued insurance current and noncurrent | | 0000909832 2009-08-30 | | | | | | 0000909832 2010-08-29 | | | | Accumulated depreciation depletion and amortization property plant and equipment | | 0000909832 2009-08-30 | | | | | | 0000909832 2010-08-29 | | | | Accumulated other comprehensive income loss available for sale securities adjustment net of tax | | 0000909832 2009-08-30 | | | | | | 0000909832 2010-08-29 | | | | Accumulated other comprehensive income loss foreign currency translation adjustment net of tax | | 0000909832 2009-08-30 | 1.0 |
- We made an experiment using LD_Cubes_Explorer_XmlaTest.java, asking the same query.
- xmlaserver and olap4ld return a proper result with all the values
- However, the result seems too large than to be parsed properly
- It seems, only the combination of NON EMPTY columns and rows do work currently.
- As a result, for now, we only call NON EMPTY mdx queries in LDCX.
