samples/table2ddl.ysl2
author Volker Birk <vb@pep-project.org>
Mon, 04 Nov 2019 11:38:34 +0100
changeset 40 432ab62b2537
parent 0 76005e62091d
permissions -rw-r--r--
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include yslt.yml2
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define operator "“(.*?)”" as call "idl2ddl" with "type", "%1";
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tstylesheet {
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    const "idtype", "'INTEGER'";
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    template "/" apply "module|class", 0;
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    template "module" {
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        param "namespace", "''";
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        choose {
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            when "$namespace=''"
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                apply "module|class", 0 with "namespace", "@name";
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            otherwise
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                apply "module|class", 0 with "namespace", "concat($namespace,'_', @name)";
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        }
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    }
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    template "class" {
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        param "namespace", "''";
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        choose {
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            when "$namespace=''"    | CREATE TABLE «@name» (
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            otherwise               | CREATE TABLE «$namespace»_«@name» (
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        }
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        if "count(attr[@name='id'])=0" |> id «$idtype»`if "count(attr)>0" > , `
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        const "name", "@name";
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        foreach "//class[class/@name=$name]" |> «@name»_fk «$idtype»,
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        apply "attr";
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        | );
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        apply "class", 0 with "namespace", "$namespace";
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    }
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    template "attr" | «@name» “@type”`if "position() != last()" > , `
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    function "idl2ddl" {
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        param "type";
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        choose {
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            when "$type='string'"   > VARCHAR
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            when "$type='long'"     > INTEGER
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        }
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    }
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}