Initial commit for verbose.q #87
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| // @param x String | ||
| .finos.verbose.escapeID:{conv:-11h=type x;$[conv;`$;::]ssr[.h.hug[.Q.an except "_"]$[conv;string x;x];"%";"_"]}; | ||
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| .finos.verbose.numToOrdinalString: ((1 + til 11)!("First"; "Second"; "Third"; "Fourth"; "Fifth"; "Sixth"; "Seventh"; "Eighth"; "Ninth"; "Tenth";"Eleventh")); |
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What's the goal of having this here? Why does it specifically go from 1 to 11?
| if[100h<>type fun; '"fun must be a lambda"]; | ||
| if[100h<>type errorHandler; '"errorHandler must be a lambda"]; | ||
| if[not type[params] within 0 20h; '"params must be a list"]; | ||
| try[fun;params;errorHandler]}; |
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I think there is no global try function yet.
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Will put in .finos.errorTrapDot and use that instead.
| .finos.verbose.setKeyColNr:{[keycount;table] | ||
| if[not type[keycount] in -6 -7h; '"keycount must be an integer"]; | ||
| if[0>keycount; '"keycount must be nonnegative"]; | ||
| if[not type[table] in 98 99h; '"2nd argument must be a table"]; |
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.Q.qt could be used to check if the object is a table.
| ]; | ||
| keycount!table}; | ||
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| //workaround for inability to use table syntax with security.q |
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Are we going to add security.q as well? If not then this is a stranded comment.
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Will change it to be the more general term, "parse tree filters".
| if[not 10h=type str; '".finos.verbose.sym only works on string argument"]; | ||
| `$str}; | ||
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| //wrapper to allow xasc in secure gateway (raw xasc may modify table in-place) |
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"secure gateway" is a stranded reference. Repeated multiple times.
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Also changed to refer to "parse tree filters".
| if[not .Q.qt[tbl]; '".finos.verbose.xkey expects a table"]; | ||
| keyCols xkey tbl}; | ||
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| //wrapper to allow case-insenstive xasc in secure gateway (raw xasc may modify table in-place) |
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Wrong function name in the comment. Also this function is not really iasc, which is unary, works on a list (can be a table), and returns a list of indices. Therefore the name is confusing.
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Renamed to xasciuntil someone comes up with a better name.
| s:((),sortCols)!{$[x in "sC";(lower;y);y]}'[(0!meta[?[tbl;();0b;{![x;x]}(),sortCols]])[;`t];sortCols]; | ||
| .finos.verbose.xkey[xk] (0!tbl) iasc ?[tbl;();0b;s]}; | ||
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| //wrapper to allow case-insenstive xdesc in secure gateway (raw xdesc may modify table in-place) |
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See above, but with desc instead of asc.
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Renamed to xdesci.
| .finos.verbose.xkey[xk] (0!tbl) idesc ?[tbl;();0b;s]}; | ||
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| //wrapper to allow null-ignoring xasc in secure gateway (raw xasc may modify table in-place) | ||
| .finos.verbose.nasc:{[sortCols;tbl] |
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This is new functionality, not an equivalent of a built-in q operator/function. It might be better to put into a separate file (query.q?) and add a thin wrapper here if necessary.
| $[(sd<cd);fun1[sd;min[ed,cd-1]];()],$[(ed>cd-1);fun2[max[sd,cd];ed];()] | ||
| }; | ||
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| //by default these are identity, specify the timezone parameter to have these overwritten in setup.q |
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Without the referenced setup.q, these are useless as well as anything that depends on them.
| first value flip `nr xasc ![([] constr: constrList; nr: (1 + count constrList) + til count constrList); | ||
| enlist (min';(in;(.finos.verbose.collectFields';`constr);enlist pre)); | ||
| 0b; | ||
| .istat.FIELDAS[`i;`nr]]}; |
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Leaked proprietary function name, also other occurrences below.
| //@param o symbol list specifying your domain specific ordering | ||
| //@param t the table which columns should be rearranged | ||
| // | ||
| .finos.verbose.fixColumnOrderGEN: {[o;t] |
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Another "screaming" suffix.
| keys[t], o inter cols value[t]; // leave keys untouched sort value cols against ordering | ||
| 98h ~ type t; // if not keyed table | ||
| o inter cols t; // sort all cols against ordering | ||
| '"invalid branch" |
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This could use a better error message.
| // This function can be used for example to calculate the midprice of and index (weighted set of instruments). | ||
| // | ||
| .finos.verbose.aggregateFieldValuesAsOf: {[t; k; p; v; colname; binop] | ||
| piv: fills .ms.pivot.pvtfw[t; k; p; v; (); ()]; |
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Leaked proprietary function name.
| // unkeys a table. It is just a projection of .finos.verbose.xkey setting the first parameter to empty list | ||
| .finos.verbose.unkey: .finos.verbose.xkey[()]; | ||
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| .finos.verbose.priv.validateSelectArgs:{[tbl;constr;grp;stat;cnt;ord] |
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i would prefer the params of all the qsql wrappers conform to the traditional t/c/b/a naming; perhaps tbl contr by aggs?
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These are inherited names, but to me stat makes more sense because the a is not necessarily an aggregation.
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