[tracker] libtracker-data: Add support for YEAR/.../SECONDS builtin functions
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [tracker] libtracker-data: Add support for YEAR/.../SECONDS builtin functions
- Date: Mon, 19 Oct 2015 12:16:05 +0000 (UTC)
commit 7881cb5dab9f2400f190579746b496aeea3d7697
Author: Carlos Garnacho <carlosg gnome org>
Date: Wed Jul 29 23:26:02 2015 +0200
libtracker-data: Add support for YEAR/.../SECONDS builtin functions
These functions are defined in Sparql 1.1 query language recommendation,
http://www.w3.org/TR/sparql11-query/#func-year
http://www.w3.org/TR/sparql11-query/#func-month
http://www.w3.org/TR/sparql11-query/#func-day
http://www.w3.org/TR/sparql11-query/#func-hours
http://www.w3.org/TR/sparql11-query/#func-minutes
http://www.w3.org/TR/sparql11-query/#func-seconds
src/libtracker-data/tracker-sparql-expression.vala | 36 ++++++++++++++++
src/libtracker-data/tracker-sparql-scanner.vala | 45 +++++++++++++++++++-
2 files changed, 79 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-data/tracker-sparql-expression.vala
b/src/libtracker-data/tracker-sparql-expression.vala
index cde2145..be1646f 100644
--- a/src/libtracker-data/tracker-sparql-expression.vala
+++ b/src/libtracker-data/tracker-sparql-expression.vala
@@ -1343,6 +1343,42 @@ class Tracker.Sparql.Expression : Object {
type = translate_aggregate_expression (sql);
sql.append (")");
return type;
+ case SparqlTokenType.SECONDS:
+ next ();
+ expect (SparqlTokenType.OPEN_PARENS);
+ var result = translate_function (sql, FN_NS + "seconds-from-dateTime");
+ expect (SparqlTokenType.CLOSE_PARENS);
+ return result;
+ case SparqlTokenType.MINUTES:
+ next ();
+ expect (SparqlTokenType.OPEN_PARENS);
+ var result = translate_function (sql, FN_NS + "minutes-from-dateTime");
+ expect (SparqlTokenType.CLOSE_PARENS);
+ return result;
+ case SparqlTokenType.HOURS:
+ next ();
+ expect (SparqlTokenType.OPEN_PARENS);
+ var result = translate_function (sql, FN_NS + "hours-from-dateTime");
+ expect (SparqlTokenType.CLOSE_PARENS);
+ return result;
+ case SparqlTokenType.DAY:
+ next ();
+ expect (SparqlTokenType.OPEN_PARENS);
+ var result = translate_function (sql, FN_NS + "day-from-dateTime");
+ expect (SparqlTokenType.CLOSE_PARENS);
+ return result;
+ case SparqlTokenType.MONTH:
+ next ();
+ expect (SparqlTokenType.OPEN_PARENS);
+ var result = translate_function (sql, FN_NS + "month-from-dateTime");
+ expect (SparqlTokenType.CLOSE_PARENS);
+ return result;
+ case SparqlTokenType.YEAR:
+ next ();
+ expect (SparqlTokenType.OPEN_PARENS);
+ var result = translate_function (sql, FN_NS + "year-from-dateTime");
+ expect (SparqlTokenType.CLOSE_PARENS);
+ return result;
case SparqlTokenType.GROUP_CONCAT:
next ();
sql.append ("GROUP_CONCAT(");
diff --git a/src/libtracker-data/tracker-sparql-scanner.vala b/src/libtracker-data/tracker-sparql-scanner.vala
index 3f5e63a..35a417e 100644
--- a/src/libtracker-data/tracker-sparql-scanner.vala
+++ b/src/libtracker-data/tracker-sparql-scanner.vala
@@ -106,6 +106,10 @@ public class Tracker.SparqlScanner : Object {
break;
}
break;
+ case 'D':
+ case 'd':
+ if (matches (begin, "DAY")) return SparqlTokenType.DAY;
+ break;
case 'M':
case 'm':
switch (begin[1]) {
@@ -189,6 +193,10 @@ public class Tracker.SparqlScanner : Object {
case 'w':
if (matches (begin, "WITH")) return SparqlTokenType.WITH;
break;
+ case 'Y':
+ case 'y':
+ if (matches (begin, "YEAR")) return SparqlTokenType.YEAR;
+ break;
}
break;
case 5:
@@ -214,6 +222,10 @@ public class Tracker.SparqlScanner : Object {
break;
}
break;
+ case 'H':
+ case 'h':
+ if (matches (begin, "HOURS")) return SparqlTokenType.HOURS;
+ break;
case 'L':
case 'l':
switch (begin[1]) {
@@ -227,6 +239,10 @@ public class Tracker.SparqlScanner : Object {
break;
}
break;
+ case 'M':
+ case 'm':
+ if (matches (begin, "MONTH")) return SparqlTokenType.MONTH;
+ break;
case 'N':
case 'n':
if (matches (begin, "NAMED")) return SparqlTokenType.NAMED;
@@ -357,6 +373,10 @@ public class Tracker.SparqlScanner : Object {
break;
case 7:
switch (begin[0]) {
+ case 'M':
+ case 'm':
+ if (matches (begin, "MINUTES")) return SparqlTokenType.MINUTES;
+ break;
case 'R':
case 'r':
switch (begin[2]) {
@@ -372,7 +392,16 @@ public class Tracker.SparqlScanner : Object {
break;
case 'S':
case 's':
- if (matches (begin, "STRENDS")) return SparqlTokenType.STRENDS;
+ switch (begin[1]) {
+ case 'E':
+ case 'e':
+ if (matches (begin, "SECONDS")) return SparqlTokenType.SECONDS;
+ break;
+ case 'T':
+ case 't':
+ if (matches (begin, "STRENDS")) return SparqlTokenType.STRENDS;
+ break;
+ }
break;
case 'I':
case 'i':
@@ -975,6 +1004,7 @@ public enum Tracker.SparqlTokenType {
COUNT,
DATA,
DATATYPE,
+ DAY,
DECIMAL,
DELETE,
DESC,
@@ -996,6 +1026,7 @@ public enum Tracker.SparqlTokenType {
GROUP,
GROUP_CONCAT,
HAVING,
+ HOURS,
IF,
INSERT,
INTEGER,
@@ -1012,6 +1043,8 @@ public enum Tracker.SparqlTokenType {
MAX,
MIN,
MINUS,
+ MINUTES,
+ MONTH,
NAMED,
NOT,
NULL, /* Non-standard in SPARQL spec */
@@ -1040,6 +1073,7 @@ public enum Tracker.SparqlTokenType {
REPLACE,
ROUND,
SAMETERM,
+ SECONDS,
SELECT,
SEMICOLON,
SILENT,
@@ -1061,7 +1095,8 @@ public enum Tracker.SparqlTokenType {
UNION,
VAR,
WHERE,
- WITH;
+ WITH,
+ YEAR;
public unowned string to_string () {
switch (this) {
@@ -1089,6 +1124,7 @@ public enum Tracker.SparqlTokenType {
case CONSTRUCT: return "`CONSTRUCT'";
case COUNT: return "`COUNT'";
case DATATYPE: return "`DATATYPE'";
+ case DAY: return "`DAY'";
case DECIMAL: return "`DECIMAL'";
case DELETE: return "`DELETE'";
case DESC: return "`DESC'";
@@ -1108,6 +1144,7 @@ public enum Tracker.SparqlTokenType {
case GROUP: return "`GROUP'";
case GROUP_CONCAT: return "`GROUP_CONCAT'";
case HAVING: return "`HAVING'";
+ case HOURS: return "`HOURS'";
case IF: return "`IF'";
case INSERT: return "`INSERT'";
case INTEGER: return "`INTEGER'";
@@ -1124,6 +1161,8 @@ public enum Tracker.SparqlTokenType {
case MAX: return "`MAX'";
case MIN: return "`MIN'";
case MINUS: return "`-'";
+ case MINUTES: return "`MINUTES'";
+ case MONTH: return "`MONTH'";
case NAMED: return "`NAMED'";
case NOT: return "`NOT'";
case OFFSET: return "`OFFSET'";
@@ -1151,6 +1190,7 @@ public enum Tracker.SparqlTokenType {
case REPLACE: return "`REPLACE'";
case ROUND: return "`ROUND'";
case SAMETERM: return "`SAMETERM'";
+ case SECONDS: return "`SECONDS'";
case SELECT: return "`SELECT'";
case SEMICOLON: return "`;'";
case SILENT: return "`SILENT'";
@@ -1173,6 +1213,7 @@ public enum Tracker.SparqlTokenType {
case VAR: return "variable";
case WHERE: return "`WHERE'";
case WITH: return "`WITH'";
+ case YEAR: return "`YEAR'";
default: return "unknown token";
}
}
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