Mercurial > urweb
changeset 439:322c8620bbdf
Marshaling time to SQL
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Thu, 30 Oct 2008 15:11:37 -0400 |
parents | 1c27f03d9bd2 |
children | 19d7f79cd584 |
files | include/urweb.h src/c/urweb.c src/cjr_print.sml src/monoize.sml src/prepare.sml tests/time.ur |
diffstat | 6 files changed, 57 insertions(+), 15 deletions(-) [+] |
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--- a/include/urweb.h Thu Oct 30 14:57:15 2008 -0400 +++ b/include/urweb.h Thu Oct 30 15:11:37 2008 -0400 @@ -77,6 +77,7 @@ uw_Basis_string uw_Basis_sqlifyFloat(uw_context, uw_Basis_float); uw_Basis_string uw_Basis_sqlifyString(uw_context, uw_Basis_string); uw_Basis_string uw_Basis_sqlifyBool(uw_context, uw_Basis_bool); +uw_Basis_string uw_Basis_sqlifyTime(uw_context, uw_Basis_time); char *uw_Basis_ensqlBool(uw_Basis_bool);
--- a/src/c/urweb.c Thu Oct 30 14:57:15 2008 -0400 +++ b/src/c/urweb.c Thu Oct 30 15:11:37 2008 -0400 @@ -860,6 +860,21 @@ return "TRUE"; } +char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) { + size_t len; + char *r; + struct tm stm; + + if (localtime_r(&t, &stm)) { + uw_check_heap(ctx, TIMES_MAX); + r = ctx->heap_front; + len = strftime(r, TIMES_MAX, TIME_FMT, &stm); + ctx->heap_front += len+1; + return r; + } else + return "<Invalid time>"; +} + char *uw_Basis_ensqlBool(uw_Basis_bool b) { static uw_Basis_int true = 1; static uw_Basis_int false = 0; @@ -954,13 +969,33 @@ char *dot = strchr(s, '.'), *end = strchr(s, 0); struct tm stm; - if ((dot ? (*dot = 0, strptime(s, TIME_FMT_PG, &stm)) : strptime(s, TIME_FMT, &stm)) == end) { - uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time)); - *r = mktime(&stm); - return r; + if (dot) { + *dot = 0; + if (strptime(s, TIME_FMT_PG, &stm) == end) { + *dot = '.'; + uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time)); + *r = mktime(&stm); + return r; + } + else { + *dot = '.'; + return NULL; + } } - else - return NULL; + else { + if (strptime(s, TIME_FMT_PG, &stm) == end) { + uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time)); + *r = mktime(&stm); + return r; + } + else if (strptime(s, TIME_FMT, &stm) == end) { + uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time)); + *r = mktime(&stm); + return r; + } + else + return NULL; + } } uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) { @@ -1008,7 +1043,9 @@ } } else { - if (strptime(s, TIME_FMT, &stm) == end) + if (strptime(s, TIME_FMT_PG, &stm) == end) + return mktime(&stm); + else if (strptime(s, TIME_FMT, &stm) == end) return mktime(&stm); else uw_error(ctx, FATAL, "Can't parse time: %s", s);
--- a/src/cjr_print.sml Thu Oct 30 14:57:15 2008 -0400 +++ b/src/cjr_print.sml Thu Oct 30 15:11:37 2008 -0400 @@ -413,13 +413,15 @@ | Float | String | Bool + | Time fun p_sql_type t = string (case t of Int => "uw_Basis_int" | Float => "uw_Basis_float" | String => "uw_Basis_string" - | Bool => "uw_Basis_bool") + | Bool => "uw_Basis_bool" + | Time => "uw_Basis_time") fun getPargs (e, _) = case e of @@ -430,6 +432,7 @@ | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)] | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)] | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)] + | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)] | ECase (e, _, _) => [(e, Bool)] | _ => raise Fail "CjrPrint: getPargs" @@ -440,13 +443,7 @@ | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"] | String => e | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"] - -fun p_ensql_len t e = - case t of - Int => string "sizeof(uw_Basis_int)" - | Float => string "sizeof(uw_Basis_float)" - | String => box [string "strlen(", e, string ")"] - | Bool => string "sizeof(uw_Basis_bool)" + | Time => box [string "uw_Basis_sqlifyTime(ctx, ", e, string ")"] fun notLeaky env allowHeapAllocated = let
--- a/src/monoize.sml Thu Oct 30 14:57:15 2008 -0400 +++ b/src/monoize.sml Thu Oct 30 15:11:37 2008 -0400 @@ -1220,6 +1220,10 @@ ((L'.EAbs ("x", (L'.TFfi ("Basis", "string"), loc), (L'.TFfi ("Basis", "string"), loc), (L'.EFfiApp ("Basis", "sqlifyString", [(L'.ERel 0, loc)]), loc)), loc), fm) + | L.EFfi ("Basis", "sql_time") => + ((L'.EAbs ("x", (L'.TFfi ("Basis", "time"), loc), (L'.TFfi ("Basis", "string"), loc), + (L'.EFfiApp ("Basis", "sqlifyTime", [(L'.ERel 0, loc)]), loc)), loc), + fm) | L.ECApp ((L.EFfi ("Basis", "sql_subset"), _), _) => ((L'.ERecord [], loc), fm)
--- a/src/prepare.sml Thu Oct 30 14:57:15 2008 -0400 +++ b/src/prepare.sml Thu Oct 30 15:11:37 2008 -0400 @@ -45,6 +45,8 @@ SOME ("$" ^ Int.toString (n + 1) ^ "::text" :: ss, n + 1) | EFfiApp ("Basis", "sqlifyBool", [e]) => SOME ("$" ^ Int.toString (n + 1) ^ "::bool" :: ss, n + 1) + | EFfiApp ("Basis", "sqlifyTime", [e]) => + SOME ("$" ^ Int.toString (n + 1) ^ "::timestamp" :: ss, n + 1) | ECase (e, [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _), (EPrim (Prim.String "TRUE"), _)),
--- a/tests/time.ur Thu Oct 30 14:57:15 2008 -0400 +++ b/tests/time.ur Thu Oct 30 15:11:37 2008 -0400 @@ -4,6 +4,7 @@ val later : time = readError "10/30/08 14:37:42" fun main () = + dml (INSERT INTO t (Id, Time) VALUES (42, {now})); xml <- queryX (SELECT * FROM t) (fn r => <xml>{[r.T.Id]}: {[r.T.Time]}<br/></xml>); return <xml><body>