Add support for AWS dynamodb

README.markdown

@@ -10,6 +10,7 @@ take on [dbext.vim][], improving on it on the following ways:
 * Supports a modern array of backends, including NoSQL databases:
   - Big Query
   - ClickHouse
+  - DynamoDB
   - DuckDB
   - Impala
   - jq

autoload/db/adapter/dynamodb.vim

@@ -0,0 +1,43 @@
+function! s:command(url, output) abort
+  let url = db#url#parse(a:url)
+  let endpoint_url = []
+  if has_key(url, 'user')
+    let profile = url.user
+    let http_url = 'http://' .. url.host .. ':' .. url.port
+    let endpoint_url = ['--endpoint-url', http_url]
+  else
+    if has_key(url, 'host')
+      let profile = url.host
+    else
+      let profile = 'default'
+    endif
+  endif
+  return ['aws', 'dynamodb', '--profile', profile, '--output', a:output] + endpoint_url
+endfunction
+
+function! db#adapter#dynamodb#input_extension() abort
+  return 'js'
+endfunction
+
+function! db#adapter#dynamodb#output_extension() abort
+  return 'json'
+endfunction
+
+function! db#adapter#dynamodb#input(url, in) abort
+  if filereadable(a:in)
+    let lines = readfile(a:in)
+    return ['sh', '-c'] + [join(s:command(a:url, 'json') + split(lines[0]))]
+  endif
+  return ['echo', 'no', 'command']
+endfunction
+
+function! db#adapter#dynamodb#auth_input() abort
+  return v:false
+endfunction
+
+function! db#adapter#dynamodb#tables(url) abort
+  let cmd = s:command(a:url, 'text') + ['list-tables']
+  let out = db#systemlist(cmd)
+  return map(out, 'matchstr(v:val, "\\w*$")')
+endfunction
+

doc/dadbod.txt

@@ -108,6 +108,20 @@ ClickHouse ~
 <
 Use the `secure` query parameter to enable TLS.
 
+                                                *dadbod-dynamodb*
+DynamoDB ~
+>
+    dynamodb://[<profile>@[host:port]]
+    dynamodb://[<profile>]
+    dynamodb://
+<
+
+Use @host:port to use on a local dynamodb instance, for real AWS 
+DynamoDB don't set any host and port.
+
+Use any AWS credential file accepted by `aws` cli by profile_name
+or environment variables before launching vim.
+
                                                 *dadbod-duckdb*
 DuckDB ~
 >