Enable Solr indexing

The emuindexing command is used to list the indexing enabled for each module. Running emuindexing without any arguments will list each module along with its indexing setting. For example:

Table "eaccessionlots", indexing "texpress"
Table "eaudit", indexing "solr" 
Table "ebibliography", indexing "texpress"
Table "ecatalogue", indexing "solr, data"
Table "ecollectionevents", indexing "solr"
Table "econdition", indexing "solr"
Table "econservation", indexing "texpress"
Table "edocuments", indexing "texpress"
Table "eevents", indexing "solr"
Table "eexhibitobjects", indexing "solr"
Table "eexports", indexing "texpress"
Table "efieldhelp", indexing "texpress"
Table "egroups", indexing "texpress"
Table "einsurance", indexing "texpress"
Table "einternal", indexing "solr"
Table "eloans", indexing "solr"
Table "elocations", indexing "solr"
Table "eluts", indexing "solr"
Table "emovements", indexing "solr"
Table "emultimedia", indexing "solr"
Table "enarratives", indexing "solr"
Table "eoperations", indexing "texpress"
Table "eparties", indexing "solr, data"
Table "eregistry", indexing "solr"
Table "erights", indexing "texpress"
Table "eschedule", indexing "texpress"
Table "esites", indexing "solr"
Table "estatistics", indexing "solr"
Table "etaxonomy", indexing "solr"
Table "etemplate", indexing "texpress"
Table "ethesaurus", indexing "solr"
Table "etrapevents", indexing "solr"
Table "etraps", indexing "solr"
Table "evaluations", indexing "solr"
Table "ewebgroups", indexing "texpress"
Table "ewebusers", indexing "texpress"

If Solr indexing is enabled, an optional JSON string containing the record indexed can be produced as part of the indexing process; the string can be used by third party applications that use the Solr indexes to perform searches independently of EMu. If the option is enabled, the solr indexing setting will be suffixed with data (see ecatalogue and eparties in the list above).

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To list the index settings for the columns in a module, the -v option can be used.

For example:

emuindexing -v eparties

will list the column indexes for the eparties module:

Table "eparties", indexing "solr"
        irn
                Type: Integer
                Indexing: Key
        SummaryData
                Type: Text
                Indexing: Word, Phonetic
        ExtendedData
                Type: Text
                Indexing: Word
        NamPartyType
                Type: Text
                Indexing: Word
        NamTitle
                Type: Text
                Indexing: Word
        NamFirst
                Type: Text
                Indexing: Word, Phonetic, Partial (1,3,5)
        NamMiddle
                Type: Text
                Indexing: Word, Phonetic, Partial (1,3,5)
        NamLast
                Type: Text
                Indexing: Word, Phonetic, Partial (1,3,5)
        NamSuffix
                Type: Text
                Indexing: Word
        ...

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The -s [texpress|solr] option allows the indexing method for a module to be changed.

For example:

emuindexing -s solr eparties

will change the eparties module from using Texpress indexing to Solr indexing:

Table "eparties", indexing "texpress" => "solr"
        Rebuilding modules...
            eparties
                Started at Fri Oct 29 15:04:53 AEDT 2021
                Checking for index updates...
                Stopping background load...
                    eparties     13322   killed (15)     no. times signalled = 1
                Closing database...
                Reindexing...
                Number of records updated = 10788
                Opening database...
                Starting background load...
                    fifo                 alive           26 Oct 2021 13:27:18
                    eparties     13462   started         29 Oct 2021 15:06:08
                Finished at Fri Oct 29 15:06:08 AEDT 2021

Note: When the -s option is applied to the emuindexing command, five Texpress options are available to configure Solr's interaction with EMu. Details here.

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If solr indexing is set, the -d option can be specified to enable a JSON string of the record to be generated along with the index information. For example:

emuindexing -d -s solr eparties

will enable Solr indexing and also produce a JSON string containing the indexed record.

When the indexing attributes of a module are changed, a re-index takes place to build the new indexes for the indexing method selected. Part of the re-index may involve an index update that removes indexing from any columns not used by the client. Once the re-index is complete, the module is ready to be used with the selected indexing method. When switching indexing methods any files required by the old method, but not by the new, are removed ensuring minimal disk usage.

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