IEEE754 extension.

ext/hash/hash.go

@@ -1,6 +1,6 @@
 // Package hash provides cryptographic hash functions.
 //
-// Functions:
+// Provided functions:
 //   - md4(data)
 //   - md5(data)
 //   - sha1(data)

ext/stats/stats.go

@@ -1,6 +1,6 @@
 // Package stats provides aggregate functions for statistics.
 //
-// Functions:
+// Provided functions:
 //   - stddev_pop: population standard deviation
 //   - stddev_samp: sample standard deviation
 //   - var_pop: population variance
@@ -9,8 +9,16 @@
 //   - covar_samp: sample covariance
 //   - corr: correlation coefficient
 //
+// These join the [Built-in Aggregate Functions]:
+//   - count: count rows/values
+//   - sum: sum values
+//   - avg: average value
+//   - min: minimum value
+//   - max: maximum value
+//
 // See: [ANSI SQL Aggregate Functions]
 //
+// [Built-in Aggregate Functions]: https://sqlite.org/lang_aggfunc.html
 // [ANSI SQL Aggregate Functions]: https://www.oreilly.com/library/view/sql-in-a/9780596155322/ch04s02.html
 package stats
 

ext/stats/todo.md

@@ -0,0 +1,45 @@
+# ANSI SQL Aggregate Functions
+
+https://www.oreilly.com/library/view/sql-in-a/9780596155322/ch04s02.html
+
+## Built in
+
+- [x] `COUNT(*)`
+- [x] `COUNT(expression)`
+- [x] `SUM(expression)`
+- [x] `AVG(expression)`
+- [x] `MIN(expression)`
+- [x] `MAX(expression)`
+
+https://sqlite.org/lang_aggfunc.html
+
+## Implemented
+
+- [x] `STDDEV_POP(expression)`
+- [x] `STDDEV_SAMP(expression)`
+- [x] `VAR_POP(expression)`
+- [x] `VAR_SAMP(expression)`
+- [x] `COVAR_POP(dependent, independent)`
+- [x] `COVAR_SAMP(dependent, independent)`
+- [x] `CORR(dependent, independent)`
+
+## Linear regression
+
+- [ ] `REGR_AVGX(dependent, independent)`
+- [ ] `REGR_AVGY(dependent, independent)`
+- [ ] `REGR_COUNT(dependent, independent)`
+- [ ] `REGR_INTERCEPT(dependent, independent)`
+- [ ] `REGR_R2(dependent, independent)`
+- [ ] `REGR_SLOPE(dependent, independent)`
+- [ ] `REGR_SXX(dependent, independent)`
+- [ ] `REGR_SXY(dependent, independent)`
+- [ ] `REGR_SYY(dependent, independent)`
+
+## Other
+
+- [ ] `CUME_DIST(value_list) WITHIN GROUP (ORDER BY sort_list)`
+- [ ] `RANK(value_list) WITHIN GROUP (ORDER BY sort_list)`
+- [ ] `DENSE_RANK(value_list) WITHIN GROUP (ORDER BY sort_list)`
+- [ ] `PERCENT_RANK(value_list) WITHIN GROUP (ORDER BY sort_list)`
+- [ ] `PERCENTILE_CONT(percentile) WITHIN GROUP (ORDER BY sort_list)`
+- [ ] `PERCENTILE_DISC(percentile) WITHIN GROUP (ORDER BY sort_list)`

ext/todo.txt

@@ -1,13 +1,4 @@
-ieee754
-ieee754_exponent
-ieee754_from_blob
-ieee754_inc
-ieee754_mantissa
-ieee754_to_blob
-
 zipfile
 zipfile_cds
 sqlar_compress
-sqlar_uncompress
-
-remember
+sqlar_uncompress