Help: consume CommandNode.help_id — REGISTRY-driven in-app help
Every CommandNode declared a help_id that nothing read; the in-app `help` body was a single hand-kept catalog block that drifted from the command set (handoff-12 §2.1). note_help now iterates the command REGISTRY and translates each CommandNode's help_id (`help.<id>`), framed by help.intro / help.dsl_section / help.types_reference. A newly-registered command appears in `help` automatically — no edit to note_help or a hand-kept list. Added 20 per-command help entries plus the 3 framing entries; removed help.in_app_body. Per-command entries use block scalars: a libyml 0.0.5 scanner bug panics on long internal space runs in double-quoted scalars, and the entries are space-aligned.
This commit is contained in:
claude@clouddev1
+38
-14
@@ -1595,22 +1595,46 @@ impl App {
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}
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}
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/// Note a flat list of currently-supported app-level
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/// commands to the output panel.
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/// Note the list of currently-supported commands to the
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/// output panel.
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///
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/// This is the simple Iteration-4 stand-in for a richer
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/// help system (H3 in the requirements doc); it gives the
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/// user a quick "what can I type?" reference that's
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/// always accurate against the build they're running. As
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/// new commands land, append them here.
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/// Assembled from the command REGISTRY (ADR-0024 §help_id):
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/// the framing (`help.intro`, `help.dsl_section`,
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/// `help.types_reference`) comes from the catalog, and each
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/// command's body is the catalog entry named by its
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/// `help_id`. A newly-registered command appears here
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/// automatically — no edit to this function or a hand-kept
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/// list. Each catalog line becomes its own `OutputLine` so
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/// the scroll-position math (one logical line = one display
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/// row) stays accurate per the renderer's invariant.
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fn note_help(&mut self) {
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// Body lives in the i18n catalog (`help.in_app_body`).
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// Each YAML line becomes its own `OutputLine` so the
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// scroll-position math (one logical line = one display
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// row) stays accurate per the renderer's invariant.
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let body = crate::t!("help.in_app_body");
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for line in body.lines() {
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self.note_system(line.to_string());
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use crate::dsl::grammar::REGISTRY;
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let mut lines: Vec<String> = Vec::new();
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lines.push(crate::t!("help.intro"));
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// REGISTRY is ordered app-commands first; emit the
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// "DSL data commands" sub-header at the first command
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// whose help_id leaves the `app.` namespace.
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let mut dsl_header_done = false;
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for command in REGISTRY {
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let Some(help_id) = command.help_id else {
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continue;
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};
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if !dsl_header_done && !help_id.starts_with("app.") {
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lines.push(crate::t!("help.dsl_section"));
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dsl_header_done = true;
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}
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let key = format!("help.{help_id}");
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let body = crate::friendly::translate(&key, &[]);
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lines.extend(body.lines().map(str::to_string));
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}
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lines.extend(
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crate::t!("help.types_reference")
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.lines()
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.map(str::to_string),
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);
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for line in lines {
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self.note_system(line);
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}
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}
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@@ -351,7 +351,11 @@ pub struct CommandNode {
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/// as a per-node validator (Phase A: none — every app
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/// command's ast_builder is infallible).
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pub ast_builder: fn(&MatchedPath) -> Result<Command, ValidationError>,
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#[allow(dead_code)]
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/// Catalog key (`help.<id>`) for this command's in-app
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/// `help` entry. Consumed by `App::note_help`, which
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/// iterates the REGISTRY and translates each `help_id` —
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/// so a newly-registered command appears in `help`
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/// automatically (ADR-0024 §help_id).
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pub help_id: Option<&'static str>,
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/// Catalog keys under `parse.usage.*` to render in the
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/// "usage:" block when a parse error fires for this command
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+25
-1
@@ -120,7 +120,31 @@ pub const KEYS_AND_PLACEHOLDERS: &[(&str, &[&str])] = &[
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),
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// ---- Help text ----
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("help.cli_banner", &[]),
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("help.in_app_body", &[]),
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// In-app `help` — framing + per-command entries keyed by
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// each CommandNode's `help_id` (ADR-0024 §help_id).
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("help.intro", &[]),
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("help.dsl_section", &[]),
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("help.types_reference", &[]),
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("help.app.quit", &[]),
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("help.app.help", &[]),
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("help.app.rebuild", &[]),
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("help.app.save", &[]),
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("help.app.new", &[]),
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("help.app.load", &[]),
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("help.app.export", &[]),
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("help.app.import", &[]),
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("help.app.mode", &[]),
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("help.app.messages", &[]),
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("help.ddl.create", &[]),
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("help.ddl.drop", &[]),
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("help.ddl.add", &[]),
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("help.ddl.rename", &[]),
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("help.ddl.change", &[]),
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("help.data.show", &[]),
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("help.data.insert", &[]),
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("help.data.update", &[]),
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("help.data.delete", &[]),
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("help.data.replay", &[]),
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// ---- Hint panel ambient typing assistance (ADR-0022 §6) ----
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("hint.ambient_complete", &[]),
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(
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@@ -208,46 +208,77 @@ help:
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import <zip> [as <t>] Unpack <zip> into a new project and
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switch to it. <t> overrides the target
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name (else taken from the zip).
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# In-app `help` command output. Same shape as
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# `cli_banner` — multi-line block, consumers iterate
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# lines and emit each as its own output row so scroll
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# math stays accurate.
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in_app_body: |
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Supported commands:
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quit — exit
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help — this list
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mode simple|advanced — switch input mode
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messages — show current verbosity
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messages short|verbose— switch error wording (verbose is the default)
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rebuild — rebuild .db from project.yaml + data/ (with confirmation)
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save — save current temp project under a name
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save as — copy current project to a new name/path
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new — close current, start a fresh temp project
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# In-app `help` command output (ADR-0024 §help_id). The
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# renderer iterates the command REGISTRY and translates each
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# CommandNode's `help_id` — so a newly-registered command
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# appears in `help` automatically, with no edit here. `intro`
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# and `dsl_section` frame the two command groups; each
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# `app.*` / `ddl.*` / `data.*` entry is keyed by a command's
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# `help_id`; `types_reference` closes the block. All entries
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# are multi-line-capable — the renderer emits one output row
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# per line so scroll math stays accurate.
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intro: "Supported commands:"
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dsl_section: "DSL data commands (in simple mode):"
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# Per-command help, keyed by `CommandNode.help_id`. Block
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# scalars (`|-`) so the column alignment survives — the
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# double-quoted form trips a libyml scanner bug on long
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# internal space runs. The renderer emits one output row per
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# line, so multi-form commands list each form on its own line.
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app:
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quit: |-
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quit — exit the app
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help: |-
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help — show this command list
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rebuild: |-
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rebuild — rebuild the project database from project.yaml + data/ (with confirmation)
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save: |-
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save — save the current temp project under a name
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save as — copy the current project to a new name/path
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new: |-
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new — close the current project, start a fresh temp project
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load: |-
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load — open the project picker
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export [<path>] — write a zip of project.yaml + data/ (excludes .db, history.log)
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import <zip> [as <t>] — unpack a zip and switch to the new project
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DSL data commands (in simple mode):
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create table <T> with pk [<col>:<type>...]
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drop table <T>
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add column [to] [table] <T>: <col> (<type>)
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export: |-
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export [<path>] — write a zip of project.yaml + data/ (excludes the database file and history.log)
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import: |-
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import <zip> [as <target>] — unpack a zip into a new project and switch to it
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mode: |-
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mode simple|advanced — switch input mode
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messages: |-
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messages [short|verbose] — show or switch error-message verbosity (verbose is the default)
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ddl:
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create: |-
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create table <T> with pk [<col>:<type>, ...] — create a table
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drop: |-
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drop table <T> — remove a table
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drop column [from] [table] <T>: <col> — remove a column
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drop relationship <name> — remove a relationship
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add: |-
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add column [to] [table] <T>: <col> (<type>) — add a column
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(for serial/shortid on a non-empty table: existing rows auto-filled)
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drop column [from] [table] <T>: <col>
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rename column [in] [table] <T>: <old> to <new>
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change column [in] [table] <T>: <col> (<newtype>)
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[--force-conversion | --dont-convert]
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(to serial/shortid: null cells auto-filled with generated values)
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add 1:n relationship [as <name>] from <P>.<col> to <C>.<col>
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[on delete <action>] [on update <action>] [--create-fk]
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drop relationship <name>
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insert into <T> [(cols)] [values] (vals)
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update <T> set <c>=<v>... where <c>=<v> | --all-rows
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delete from <T> where <c>=<v> | --all-rows
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show table <T>
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show data <T>
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replay <path> — run each non-blank, non-`#`-comment line
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of <path> as a command. Stops at the first
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error (no rollback). Relative paths resolve
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under the current project's directory.
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[on delete <action>] [on update <action>] [--create-fk] — declare a relationship
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rename: |-
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rename column [in] [table] <T>: <old> to <new> — rename a column
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change: |-
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change column [in] [table] <T>: <col> (<newtype>) [--force-conversion | --dont-convert]
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— change a column's type (to serial/shortid: null cells auto-filled with generated values)
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data:
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show: |-
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show table <T> — show a table's structure
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show data <T> — show a table's rows
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insert: |-
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insert into <T> [(cols)] [values] (vals) — add a row
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update: |-
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update <T> set <c>=<v>, ... where <c>=<v> | --all-rows — change matching rows
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delete: |-
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delete from <T> where <c>=<v> | --all-rows — remove matching rows
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replay: |-
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replay <path> — run each non-blank, non-`#`-comment line of <path>
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as a command. Stops at the first error (no rollback);
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relative paths resolve under the project directory.
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# Type reference, appended after the command list.
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types_reference: |
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Types: text, int, real, decimal, bool, date, datetime, blob, serial, shortid
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Auto-generated types (serial, shortid):
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serial — integer that auto-fills with the next sequence value
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