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[sqlite] skeleton protocol for dbwriter

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Summary: Developing the Sqlite-writer process further, a type `command` is introduced, which will used for sending instructions down a communications channel to the daemon.  For now, the commands are interpreted locally.

Reviewed By: skcho

Differential Revision: D16985056

fbshipit-source-id: 2aa20908d
master
Nikos Gorogiannis 5 years ago committed by Facebook Github Bot
parent 83aea33c68
commit 26823b22f1
1 changed files with 138 additions and 83 deletions
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221
infer/src/base/DBWriter.ml
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@ -7,8 +7,9 @@
open! IStd
let attribute_replace_statement =
(* The innermost SELECT returns either the current attributes_kind and source_file associated with
module Implementation = struct
let attribute_replace_statement =
(* The innermost SELECT returns either the current attributes_kind and source_file associated with
the given proc name, or default values of (-1,""). These default values have the property that
they are always "less than" any legit value. More precisely, MAX ensures that some value is
returned even if there is no row satisfying WHERE (we'll get NULL in that case, the value in
@ -20,12 +21,12 @@ let attribute_replace_statement =
not, it returns a trivial row (consisting solely of NULL since we don't use its values) and the
INSERT OR REPLACE will proceed and insert or update the values stored into the DB for that
pname. *)
(* TRICK: use the source file to be more deterministic in case the same procedure name is defined
(* TRICK: use the source file to be more deterministic in case the same procedure name is defined
in several files *)
(* TRICK: older versions of sqlite (prior to version 3.15.0 (2016-10-14)) do not support row
(* TRICK: older versions of sqlite (prior to version 3.15.0 (2016-10-14)) do not support row
values so the lexicographic ordering for (:akind, :sfile) is done by hand *)
ResultsDatabase.register_statement
{|
ResultsDatabase.register_statement
{|
INSERT OR REPLACE INTO procedures
SELECT :pname, :proc_name_hum, :akind, :sfile, :pattr, :cfg, :callees
FROM (
@ -40,70 +41,71 @@ let attribute_replace_statement =
|}
let replace_attributes ~pname_str ~pname ~akind ~source_file ~attributes ~proc_desc ~callees =
ResultsDatabase.with_registered_statement attribute_replace_statement ~f:(fun db replace_stmt ->
Sqlite3.bind replace_stmt 1 (* :pname *) pname
|> SqliteUtils.check_result_code db ~log:"replace bind pname" ;
Sqlite3.bind replace_stmt 2 (* :proc_name_hum *) (Sqlite3.Data.TEXT pname_str)
|> SqliteUtils.check_result_code db ~log:"replace bind proc_name_hum" ;
Sqlite3.bind replace_stmt 3 (* :akind *) (Sqlite3.Data.INT akind)
|> SqliteUtils.check_result_code db ~log:"replace bind attribute kind" ;
Sqlite3.bind replace_stmt 4 (* :sfile *) source_file
|> SqliteUtils.check_result_code db ~log:"replace bind source file" ;
Sqlite3.bind replace_stmt 5 (* :pattr *) attributes
|> SqliteUtils.check_result_code db ~log:"replace bind proc attributes" ;
Sqlite3.bind replace_stmt 6 (* :cfg *) proc_desc
|> SqliteUtils.check_result_code db ~log:"replace bind cfg" ;
Sqlite3.bind replace_stmt 7 (* :callees *) callees
|> SqliteUtils.check_result_code db ~log:"replace bind callees" ;
SqliteUtils.result_unit db ~finalize:false ~log:"Attributes.replace" replace_stmt )
let source_file_store_statement =
ResultsDatabase.register_statement
{|
let replace_attributes ~pname_str ~pname ~akind ~source_file ~attributes ~proc_desc ~callees =
ResultsDatabase.with_registered_statement attribute_replace_statement
~f:(fun db replace_stmt ->
Sqlite3.bind replace_stmt 1 (* :pname *) pname
|> SqliteUtils.check_result_code db ~log:"replace bind pname" ;
Sqlite3.bind replace_stmt 2 (* :proc_name_hum *) (Sqlite3.Data.TEXT pname_str)
|> SqliteUtils.check_result_code db ~log:"replace bind proc_name_hum" ;
Sqlite3.bind replace_stmt 3 (* :akind *) (Sqlite3.Data.INT akind)
|> SqliteUtils.check_result_code db ~log:"replace bind attribute kind" ;
Sqlite3.bind replace_stmt 4 (* :sfile *) source_file
|> SqliteUtils.check_result_code db ~log:"replace bind source file" ;
Sqlite3.bind replace_stmt 5 (* :pattr *) attributes
|> SqliteUtils.check_result_code db ~log:"replace bind proc attributes" ;
Sqlite3.bind replace_stmt 6 (* :cfg *) proc_desc
|> SqliteUtils.check_result_code db ~log:"replace bind cfg" ;
Sqlite3.bind replace_stmt 7 (* :callees *) callees
|> SqliteUtils.check_result_code db ~log:"replace bind callees" ;
SqliteUtils.result_unit db ~finalize:false ~log:"Attributes.replace" replace_stmt )
let source_file_store_statement =
ResultsDatabase.register_statement
{|
INSERT OR REPLACE INTO source_files
VALUES (:source, :tenv, :integer_type_widths, :proc_names, :freshly_captured)
|}
let add_source_file ~source_file ~tenv ~integer_type_widths ~proc_names =
ResultsDatabase.with_registered_statement source_file_store_statement ~f:(fun db store_stmt ->
Sqlite3.bind store_stmt 1 source_file
(* :source *)
|> SqliteUtils.check_result_code db ~log:"store bind source file" ;
Sqlite3.bind store_stmt 2 tenv
(* :tenv *)
|> SqliteUtils.check_result_code db ~log:"store bind type environment" ;
Sqlite3.bind store_stmt 3 integer_type_widths
(* :integer_type_widths *)
|> SqliteUtils.check_result_code db ~log:"store bind integer type widths" ;
Sqlite3.bind store_stmt 4 proc_names
(* :proc_names *)
|> SqliteUtils.check_result_code db ~log:"store bind proc names" ;
Sqlite3.bind store_stmt 5 (Sqlite3.Data.INT Int64.one)
(* :freshly_captured *)
|> SqliteUtils.check_result_code db ~log:"store freshness" ;
SqliteUtils.result_unit ~finalize:false ~log:"Cfg.store" db store_stmt )
let mark_all_source_files_stale_statement =
ResultsDatabase.register_statement "UPDATE source_files SET freshly_captured = 0"
let mark_all_source_files_stale () =
ResultsDatabase.with_registered_statement mark_all_source_files_stale_statement
~f:(fun db stmt -> SqliteUtils.result_unit db ~finalize:false ~log:"mark_all_stale" stmt)
let merge_procedures_table ~db_file =
let db = ResultsDatabase.get_database () in
(* Do the merge purely in SQL for great speed. The query works by doing a left join between the
let add_source_file ~source_file ~tenv ~integer_type_widths ~proc_names =
ResultsDatabase.with_registered_statement source_file_store_statement ~f:(fun db store_stmt ->
Sqlite3.bind store_stmt 1 source_file
(* :source *)
|> SqliteUtils.check_result_code db ~log:"store bind source file" ;
Sqlite3.bind store_stmt 2 tenv
(* :tenv *)
|> SqliteUtils.check_result_code db ~log:"store bind type environment" ;
Sqlite3.bind store_stmt 3 integer_type_widths
(* :integer_type_widths *)
|> SqliteUtils.check_result_code db ~log:"store bind integer type widths" ;
Sqlite3.bind store_stmt 4 proc_names
(* :proc_names *)
|> SqliteUtils.check_result_code db ~log:"store bind proc names" ;
Sqlite3.bind store_stmt 5 (Sqlite3.Data.INT Int64.one)
(* :freshly_captured *)
|> SqliteUtils.check_result_code db ~log:"store freshness" ;
SqliteUtils.result_unit ~finalize:false ~log:"Cfg.store" db store_stmt )
let mark_all_source_files_stale_statement =
ResultsDatabase.register_statement "UPDATE source_files SET freshly_captured = 0"
let mark_all_source_files_stale () =
ResultsDatabase.with_registered_statement mark_all_source_files_stale_statement
~f:(fun db stmt -> SqliteUtils.result_unit db ~finalize:false ~log:"mark_all_stale" stmt)
let merge_procedures_table ~db_file =
let db = ResultsDatabase.get_database () in
(* Do the merge purely in SQL for great speed. The query works by doing a left join between the
sub-table and the main one, and applying the same "more defined" logic as in Attributes in the
cases where a proc_name is present in both the sub-table and the main one (main.attr_kind !=
NULL). All the rows that pass this filter are inserted/updated into the main table. *)
Sqlite3.exec db
{|
Sqlite3.exec db
{|
INSERT OR REPLACE INTO procedures
SELECT sub.proc_name, sub.proc_name_hum, sub.attr_kind, sub.source_file, sub.proc_attributes, sub.cfg, sub.callees
FROM (
@ -115,34 +117,87 @@ let merge_procedures_table ~db_file =
OR main.attr_kind < sub.attr_kind
OR (main.attr_kind = sub.attr_kind AND main.source_file < sub.source_file)
|}
|> SqliteUtils.check_result_code db
~log:(Printf.sprintf "copying procedures of database '%s'" db_file)
|> SqliteUtils.check_result_code db
~log:(Printf.sprintf "copying procedures of database '%s'" db_file)
let merge_source_files_table ~db_file =
let db = ResultsDatabase.get_database () in
Sqlite3.exec db
{|
let merge_source_files_table ~db_file =
let db = ResultsDatabase.get_database () in
Sqlite3.exec db
{|
INSERT OR REPLACE INTO source_files
SELECT source_file, type_environment, integer_type_widths, procedure_names, 1
FROM attached.source_files
|}
|> SqliteUtils.check_result_code db
~log:(Printf.sprintf "copying source_files of database '%s'" db_file)
|> SqliteUtils.check_result_code db
~log:(Printf.sprintf "copying source_files of database '%s'" db_file)
let merge_dbs ~infer_out_src =
let db_file = infer_out_src ^/ ResultsDatabase.database_filename in
let main_db = ResultsDatabase.get_database () in
Sqlite3.exec main_db (Printf.sprintf "ATTACH '%s' AS attached" db_file)
|> SqliteUtils.check_result_code main_db
~log:(Printf.sprintf "attaching database '%s'" db_file) ;
merge_procedures_table ~db_file ;
merge_source_files_table ~db_file ;
Sqlite3.exec main_db "DETACH attached"
|> SqliteUtils.check_result_code main_db
~log:(Printf.sprintf "detaching database '%s'" db_file) ;
()
let canonicalize () =
let db = ResultsDatabase.get_database () in
SqliteUtils.exec db ~log:"running VACUUM" ~stmt:"VACUUM"
end
module Command = struct
type t =
| ReplaceAttributes of
{ pname_str: string
; pname: Sqlite3.Data.t
; akind: int64
; source_file: Sqlite3.Data.t
; attributes: Sqlite3.Data.t
; proc_desc: Sqlite3.Data.t
; callees: Sqlite3.Data.t }
| AddSourceFile of
{ source_file: Sqlite3.Data.t
; tenv: Sqlite3.Data.t
; integer_type_widths: Sqlite3.Data.t
; proc_names: Sqlite3.Data.t }
| MarkAllSourceFilesStale
| MergeDBs of {infer_out_src: string}
| Vacuum
let execute = function
| ReplaceAttributes {pname_str; pname; akind; source_file; attributes; proc_desc; callees} ->
Implementation.replace_attributes ~pname_str ~pname ~akind ~source_file ~attributes
~proc_desc ~callees
| AddSourceFile {source_file; tenv; integer_type_widths; proc_names} ->
Implementation.add_source_file ~source_file ~tenv ~integer_type_widths ~proc_names
| MarkAllSourceFilesStale ->
Implementation.mark_all_source_files_stale ()
| MergeDBs {infer_out_src} ->
Implementation.merge_dbs ~infer_out_src
| Vacuum ->
Implementation.canonicalize ()
end
let perform cmd = Command.execute cmd
let replace_attributes ~pname_str ~pname ~akind ~source_file ~attributes ~proc_desc ~callees =
Command.ReplaceAttributes {pname_str; pname; akind; source_file; attributes; proc_desc; callees}
|> perform
let add_source_file ~source_file ~tenv ~integer_type_widths ~proc_names =
Command.AddSourceFile {source_file; tenv; integer_type_widths; proc_names} |> perform
let merge_dbs ~infer_out_src =
let db_file = infer_out_src ^/ ResultsDatabase.database_filename in
let main_db = ResultsDatabase.get_database () in
Sqlite3.exec main_db (Printf.sprintf "ATTACH '%s' AS attached" db_file)
|> SqliteUtils.check_result_code main_db ~log:(Printf.sprintf "attaching database '%s'" db_file) ;
merge_procedures_table ~db_file ;
merge_source_files_table ~db_file ;
Sqlite3.exec main_db "DETACH attached"
|> SqliteUtils.check_result_code main_db ~log:(Printf.sprintf "detaching database '%s'" db_file) ;
()
let mark_all_source_files_stale () = perform Command.MarkAllSourceFilesStale
let merge_dbs ~infer_out_src = Command.MergeDBs {infer_out_src} |> perform
let canonicalize () =
let db = ResultsDatabase.get_database () in
SqliteUtils.exec db ~log:"running VACUUM" ~stmt:"VACUUM"
let canonicalize () = perform Command.Vacuum

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