refactor(users/glittershark): Rename to grfn r/2485

Rename my //users directory and all places that refer to glittershark to
grfn, including nix references and documentation.

This may require some extra attention inside of gerrit's database after
it lands to allow me to actually push things.

Change-Id: I4728b7ec2c60024392c1c1fa6e0d4a59b3e266fa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2933
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: glittershark <grfn@gws.fyi>

1 files changed, 299 insertions, 0 deletions

diff --git a/users/grfn/emacs.d/company-sql.el b/users/grfn/emacs.d/company-sql.el
new file mode 100644
index 0000000000..e623aa2de1
--- /dev/null
+++ b/users/grfn/emacs.d/company-sql.el
@@ -0,0 +1,299 @@
+;;; Commentary:
+;;; TODO
+
+;;; Code:
+
+(require 'emacsql)
+(require 'emacsql-psql)
+(require 'dash)
+(require 's)
+(require 'cl-lib)
+
+;;; Config
+
+(defvar-local company-sql-db-host "localhost"
+  "Host of the postgresql database to query for autocomplete information")
+
+(defvar-local company-sql-db-port 5432
+  "Port of the postgresql database to query for autocomplete information")
+
+(defvar-local company-sql-db-user "postgres"
+  "Username of the postgresql database to query for autocomplete information")
+
+(defvar-local company-sql-db-name nil
+  "PostgreSQL database name to query for autocomplete information")
+
+;;; DB Connection
+
+(defvar-local company-sql/connection nil)
+
+(defun company-sql/connect ()
+  (unless company-sql/connection
+    (setq-local company-sql/connection
+                (emacsql-psql company-sql-db-name
+                              :hostname company-sql-db-host
+                              :username company-sql-db-user
+                              :port (number-to-string company-sql-db-port))))
+  company-sql/connection)
+
+;;; Utils
+
+(defmacro comment (&rest _))
+
+(defun ->string (x)
+  (cond
+   ((stringp x) x)
+   ((symbolp x) (symbol-name x))))
+
+(defun alist-get-equal (key alist)
+  "Like `alist-get', but uses `equal' instead of `eq' for comparing keys"
+  (->> alist
+       (-find (lambda (pair) (equal key (car pair))))
+       (cdr)))
+
+;;; Listing relations
+
+(cl-defun company-sql/list-tables (conn)
+  (with-timeout (3)
+    (-map (-compose 'symbol-name 'car)
+          (emacsql conn
+                   [:select [tablename]
+                            :from pg_catalog:pg_tables
+                            :where (and (!= schemaname '"information_schema")
+                                        (!= schemaname '"pg_catalog"))]))))
+
+(cl-defun company-sql/list-columns (conn)
+  (with-timeout (3)
+    (-map
+     (lambda (row)
+       (propertize (symbol-name (nth 0 row))
+                   'table-name (nth 1 row)
+                   'data-type  (nth 2 row)))
+     (emacsql conn
+              [:select [column_name
+                        table_name
+                        data_type]
+                       :from information_schema:columns]))))
+
+;;; Keywords
+
+(defvar company-postgresql/keywords
+  (list
+"a" "abort" "abs" "absent" "absolute" "access" "according" "action" "ada" "add"
+"admin" "after" "aggregate" "all" "allocate" "also" "alter" "always" "analyse"
+"analyze" "and" "any" "are" "array" "array_agg" "array_max_cardinality" "as"
+"asc" "asensitive" "assertion" "assignment" "asymmetric" "at" "atomic" "attach"
+"attribute" "attributes" "authorization" "avg" "backward" "base64" "before"
+"begin" "begin_frame" "begin_partition" "bernoulli" "between" "bigint" "binary"
+"bit" "bit_length" "blob" "blocked" "bom" "boolean" "both" "breadth" "by" "c"
+"cache" "call" "called" "cardinality" "cascade" "cascaded" "case" "cast"
+"catalog" "catalog_name" "ceil" "ceiling" "chain" "char" "character"
+"characteristics" "characters" "character_length" "character_set_catalog"
+"character_set_name" "character_set_schema" "char_length" "check" "checkpoint"
+"class" "class_origin" "clob" "close" "cluster" "coalesce" "cobol" "collate"
+"collation" "collation_catalog" "collation_name" "collation_schema" "collect"
+"column" "columns" "column_name" "command_function" "command_function_code"
+"comment" "comments" "commit" "committed" "concurrently" "condition"
+"condition_number" "configuration" "conflict" "connect" "connection"
+"connection_name" "constraint" "constraints" "constraint_catalog"
+"constraint_name" "constraint_schema" "constructor" "contains" "content"
+"continue" "control" "conversion" "convert" "copy" "corr" "corresponding" "cost"
+"count" "covar_pop" "covar_samp" "create" "cross" "csv" "cube" "cume_dist"
+"current" "current_catalog" "current_date" "current_default_transform_group"
+"current_path" "current_role" "current_row" "current_schema" "current_time"
+"current_timestamp" "current_transform_group_for_type" "current_user" "cursor"
+"cursor_name" "cycle" "data" "database" "datalink" "date"
+"datetime_interval_code" "datetime_interval_precision" "day" "db" "deallocate"
+"dec" "decimal" "declare" "default" "defaults" "deferrable" "deferred" "defined"
+"definer" "degree" "delete" "delimiter" "delimiters" "dense_rank" "depends"
+"depth" "deref" "derived" "desc" "describe" "descriptor" "detach"
+"deterministic" "diagnostics" "dictionary" "disable" "discard" "disconnect"
+"dispatch" "distinct" "dlnewcopy" "dlpreviouscopy" "dlurlcomplete"
+"dlurlcompleteonly" "dlurlcompletewrite" "dlurlpath" "dlurlpathonly"
+"dlurlpathwrite" "dlurlscheme" "dlurlserver" "dlvalue" "do" "document" "domain"
+"double" "drop" "dynamic" "dynamic_function" "dynamic_function_code" "each"
+"element" "else" "empty" "enable" "encoding" "encrypted" "end" "end-exec"
+"end_frame" "end_partition" "enforced" "enum" "equals" "escape" "event" "every"
+"except" "exception" "exclude" "excluding" "exclusive" "exec" "execute" "exists"
+"exp" "explain" "expression" "extension" "external" "extract" "false" "family"
+"fetch" "file" "filter" "final" "first" "first_value" "flag" "float" "floor"
+"following" "for" "force" "foreign" "fortran" "forward" "found" "frame_row"
+"free" "freeze" "from" "fs" "full" "function" "functions" "fusion" "g" "general"
+"generated" "get" "global" "go" "goto" "grant" "granted" "greatest" "group"
+"grouping" "groups" "handler" "having" "header" "hex" "hierarchy" "hold" "hour"
+"id" "identity" "if" "ignore" "ilike" "immediate" "immediately" "immutable"
+"implementation" "implicit" "import" "in" "include" "including" "increment"
+"indent" "index" "indexes" "indicator" "inherit" "inherits" "initially" "inline"
+"inner" "inout" "input" "insensitive" "insert" "instance" "instantiable"
+"instead" "int" "integer" "integrity" "intersect" "intersection" "interval"
+"into" "invoker" "is" "isnull" "isolation" "join" "k" "key" "key_member"
+"key_type" "label" "lag" "language" "large" "last" "last_value" "lateral" "lead"
+"leading" "leakproof" "least" "left" "length" "level" "library" "like"
+"like_regex" "limit" "link" "listen" "ln" "load" "local" "localtime"
+"localtimestamp" "location" "locator" "lock" "locked" "logged" "lower" "m" "map"
+"mapping" "match" "matched" "materialized" "max" "maxvalue" "max_cardinality"
+"member" "merge" "message_length" "message_octet_length" "message_text" "method"
+"min" "minute" "minvalue" "mod" "mode" "modifies" "module" "month" "more" "move"
+"multiset" "mumps" "name" "names" "namespace" "national" "natural" "nchar"
+"nclob" "nesting" "new" "next" "nfc" "nfd" "nfkc" "nfkd" "nil" "no" "none"
+"normalize" "normalized" "not" "nothing" "notify" "notnull" "nowait" "nth_value"
+"ntile" "null" "nullable" "nullif" "nulls" "number" "numeric" "object"
+"occurrences_regex" "octets" "octet_length" "of" "off" "offset" "oids" "old"
+"on" "only" "open" "operator" "option" "options" "or" "order" "ordering"
+"ordinality" "others" "out" "outer" "output" "over" "overlaps" "overlay"
+"overriding" "owned" "owner" "p" "pad" "parallel" "parameter" "parameter_mode"
+"parameter_name" "parameter_ordinal_position" "parameter_specific_catalog"
+"parameter_specific_name" "parameter_specific_schema" "parser" "partial"
+"partition" "pascal" "passing" "passthrough" "password" "path" "percent"
+"percentile_cont" "percentile_disc" "percent_rank" "period" "permission"
+"placing" "plans" "pli" "policy" "portion" "position" "position_regex" "power"
+"precedes" "preceding" "precision" "prepare" "prepared" "preserve" "primary"
+"prior" "privileges" "procedural" "procedure" "procedures" "program" "public"
+"publication" "quote" "range" "rank" "read" "reads" "real" "reassign" "recheck"
+"recovery" "recursive" "ref" "references" "referencing" "refresh" "regr_avgx"
+"regr_avgy" "regr_count" "regr_intercept" "regr_r2" "regr_slope" "regr_sxx"
+"regr_sxy" "regr_syy" "reindex" "relative" "release" "rename" "repeatable"
+"replace" "replica" "requiring" "reset" "respect" "restart" "restore" "restrict"
+"result" "return" "returned_cardinality" "returned_length"
+"returned_octet_length" "returned_sqlstate" "returning" "returns" "revoke"
+"right" "role" "rollback" "rollup" "routine" "routines" "routine_catalog"
+"routine_name" "routine_schema" "row" "rows" "row_count" "row_number" "rule"
+"savepoint" "scale" "schema" "schemas" "schema_name" "scope" "scope_catalog"
+"scope_name" "scope_schema" "scroll" "search" "second" "section" "security"
+"select" "selective" "self" "sensitive" "sequence" "sequences" "serializable"
+"server" "server_name" "session" "session_user" "set" "setof" "sets" "share"
+"show" "similar" "simple" "size" "skip" "smallint" "snapshot" "some" "source"
+"space" "specific" "specifictype" "specific_name" "sql" "sqlcode" "sqlerror"
+"sqlexception" "sqlstate" "sqlwarning" "sqrt" "stable" "standalone" "start"
+"state" "statement" "static" "statistics" "stddev_pop" "stddev_samp" "stdin"
+"stdout" "storage" "strict" "strip" "structure" "style" "subclass_origin"
+"submultiset" "subscription" "substring" "substring_regex" "succeeds" "sum"
+"symmetric" "sysid" "system" "system_time" "system_user" "t" "table" "tables"
+"tablesample" "tablespace" "table_name" "temp" "template" "temporary" "text"
+"then" "ties" "time" "timestamp" "timezone_hour" "timezone_minute" "to" "token"
+"top_level_count" "trailing" "transaction" "transactions_committed"
+"transactions_rolled_back" "transaction_active" "transform" "transforms"
+"translate" "translate_regex" "translation" "treat" "trigger" "trigger_catalog"
+"trigger_name" "trigger_schema" "trim" "trim_array" "true" "truncate" "trusted"
+"type" "types" "uescape" "unbounded" "uncommitted" "under" "unencrypted" "union"
+"unique" "unknown" "unlink" "unlisten" "unlogged" "unnamed" "unnest" "until"
+"untyped" "update" "upper" "uri" "usage" "user" "user_defined_type_catalog"
+"user_defined_type_code" "user_defined_type_name" "user_defined_type_schema"
+"using" "vacuum" "valid" "validate" "validator" "value" "values" "value_of"
+"varbinary" "varchar" "variadic" "varying" "var_pop" "var_samp" "verbose"
+"version" "versioning" "view" "views" "volatile" "when" "whenever" "where"
+"whitespace" "width_bucket" "window" "with" "within" "without" "work" "wrapper"
+"write" "xml" "xmlagg" "xmlattributes" "xmlbinary" "xmlcast" "xmlcomment"
+"xmlconcat" "xmldeclaration" "xmldocument" "xmlelement" "xmlexists" "xmlforest"
+"xmliterate" "xmlnamespaces" "xmlparse" "xmlpi" "xmlquery" "xmlroot" "xmlschema"
+"xmlserialize" "xmltable" "xmltext" "xmlvalidate" "year" "yes" "zone"))
+
+;;; Company backend
+
+(cl-defun company-postgresql/candidates (prefix conn)
+  (-filter
+   (apply-partially #'s-starts-with? prefix)
+   (append (-map (lambda (s)
+                   (propertize s 'company-postgresql-annotation "table"))
+
+           (-map (lambda (s)
+                   (propertize s 'company-postgresql-annotation
+                               (format "%s.%s %s"
+                                       (get-text-property 0 'table-name s)
+                                       s
+                                       (->
+                                        (get-text-property 0 'data-type s)
+                                        (->string)
+                                        (upcase)))))
+                 (company-sql/list-columns conn))
+           (-map (lambda (s)
+                   (propertize s 'company-postgresql-annotation "keyword"))
+                 company-postgresql/keywords)))))
+
+(defun company-postgresql (command &optional arg &rest _)
+  (interactive (list 'interactive))
+  (cl-case command
+    (interactive (company-begin-backend 'company-postgresql))
+    (init (company-sql/connect))
+    (prefix (company-grab-symbol))
+    (annotation
+     (get-text-property 0 'company-postgresql-annotation arg))
+    (candidates (company-postgresql/candidates
+                 arg
+                 (company-sql/connect)))
+    (duplicates t)
+    (ignore-case t)))
+
+;;; org-babel company sql
+
+(defvar-local org-company-sql/connections
+  ())
+
+(defun org-company-sql/connect (conn-params)
+  (or (alist-get-equal conn-params org-company-sql/connections)
+      (let ((conn (apply 'emacsql-psql conn-params)))
+        (add-to-list 'org-company-sql/connections (cons conn-params conn))
+        conn)))
+
+(defun org-company-sql/in-sql-source-block-p ()
+  (let ((org-elt (org-element-at-point)))
+    (and (eq 'src-block (car org-elt))
+         (equal "sql" (plist-get (cadr org-elt)
+                                 :language)))))
+
+(defun org-company-sql/parse-cmdline (cmdline)
+  (let* ((lexed (s-split (rx (one-or-more blank)) cmdline))
+         (go (lambda (state tokens)
+               (if (null tokens) ()
+                 (let ((token (car tokens))
+                       (tokens (cdr tokens)))
+                   (if (null state)
+                       (if (s-starts-with? "-" token)
+                           (funcall go token tokens)
+                         (cons token (funcall go state tokens)))
+                     (cons (cons state token)  ; ("-h" . "localhost")
+                           (funcall go nil tokens)))))))
+         (opts (funcall go nil lexed)))
+    opts))
+
+(defun org-company-sql/source-block-conn-params ()
+  (let* ((block-info (org-babel-get-src-block-info))
+         (params (caddr block-info))
+         (cmdline (alist-get :cmdline params))
+         (parsed (org-company-sql/parse-cmdline cmdline))
+         (opts (-filter #'listp parsed))
+         (positional (-filter #'stringp parsed))
+         (host (alist-get-equal "-h" opts))
+         (port (or (alist-get-equal "-p" opts)
+                   "5432"))
+         (dbname (or (alist-get-equal "-d" opts)
+                     (car positional)))
+         (username (or (alist-get-equal "-U" opts)
+                       (cadr positional))))
+    (list dbname
+          :hostname host
+          :username username
+          :port port)))
+
+(defun org-company-sql/connection-for-source-block ()
+  (org-company-sql/connect
+   (org-company-sql/source-block-conn-params)))
+
+
+(defun company-ob-postgresql (command &optional arg &rest _)
+  (interactive (list 'interactive))
+  (cl-case command
+    (interactive (company-begin-backend 'company-ob-postgresql))
+    (prefix (and (org-company-sql/in-sql-source-block-p)
+                 (company-grab-symbol)))
+    (annotation (get-text-property 0 'company-postgresql-annotation arg))
+    (candidates
+     (company-postgresql/candidates
+      arg
+      (org-company-sql/connection-for-source-block)))
+    (duplicates t)
+    (ignore-case t)))
+
+;;;
+
+(provide 'company-sql)