luozihen commented on issue #11878:
URL: https://github.com/apache/seatunnel/issues/11878#issuecomment-5390117765

   @SEZ9 
   <html>
   <body>
   <!--StartFragment--><p class="ds-markdown-paragraph" style="margin: 16px 
0px; color: rgb(15, 17, 21); font-family: quote-cjk-patch, Inter, system-ui, 
-apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, 
Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, 
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: 
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; 
orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 
2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; 
background-color: rgb(255, 255, 255); text-decoration-thickness: initial; 
text-decoration-style: initial; text-decoration-color: initial;"><span 
class="">Thank you for your thoughtful suggestions. Below I address each point 
in turn.</span></p><hr style="background: none 0% 0% / auto repeat scroll 
padding-box border-box rgba(0, 0, 0, 0.1); border-width: medium; border-style: 
none; border-color: c
 urrentcolor; border-image: none; height: 1px; margin: 32px 0px; display: 
block; font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: 
initial; text-decoration-style: initial; text-decoration-color: initial;"><p 
class="ds-markdown-paragraph" style="margin: 16px 0px; color: rgb(15, 17, 21); 
font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal;
  font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; 
letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; 
text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 
0px; white-space: normal; background-color: rgb(255, 255, 255); 
text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><strong style="font-weight: 600;"><span 
class="">1. Example 2 apparently truncated</span></strong></p><p 
class="ds-markdown-paragraph" style="margin: 16px 0px; color: rgb(15, 17, 21); 
font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows
 : 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; 
background-color: rgb(255, 255, 255); text-decoration-thickness: initial; 
text-decoration-style: initial; text-decoration-color: initial;"><span 
class="">The configuration shown in Example 2 is actually complete – it is not 
truncated. I deliberately kept it that way to illustrate the fallback 
behaviour: tables that do<span> </span></span><strong style="font-weight: 
600;"><span class="">not</span></strong><span class=""><span> </span>have an 
entry in<span> </span></span><code style="box-sizing: border-box; font-style: 
normal; font-variant: normal; font-weight: 400; font-stretch: 100%; 
line-height: 22px; font-optical-sizing: auto; font-size-adjust: none; 
font-kerning: auto; font-feature-settings: normal; font-variation-settings: 
normal; font-language-override: normal; font-family: Menlo, Monaco, Consolas, 
&quot;Cascadia Mono&quot;, &quot;Ubuntu Mono&quot;, &quot;DejaVu Sans 
Mono&quot;, &quot;Liberation
  Mono&quot;, &quot;JetBrains Mono&quot;, &quot;Fira Code&quot;, Cousine, 
&quot;Roboto Mono&quot;, &quot;Courier New&quot;, Courier, sans-serif, 
system-ui; background-color: rgb(235, 238, 242); border-radius: 6px; 
align-items: center; padding: 0px 5px; display: inline-flex; font-size: 0.875em 
!important;">multi_table_config</code><span class=""><span> </span>will 
automatically fall back to the existing<span> </span></span><code 
style="box-sizing: border-box; font-style: normal; font-variant: normal; 
font-weight: 400; font-stretch: 100%; line-height: 22px; font-optical-sizing: 
auto; font-size-adjust: none; font-kerning: auto; font-feature-settings: 
normal; font-variation-settings: normal; font-language-override: normal; 
font-family: Menlo, Monaco, Consolas, &quot;Cascadia Mono&quot;, &quot;Ubuntu 
Mono&quot;, &quot;DejaVu Sans Mono&quot;, &quot;Liberation Mono&quot;, 
&quot;JetBrains Mono&quot;, &quot;Fira Code&quot;, Cousine, &quot;Roboto 
Mono&quot;, &quot;Courier New&quot;, Courier,
  sans-serif, system-ui; background-color: rgb(235, 238, 242); border-radius: 
6px; align-items: center; padding: 0px 5px; display: inline-flex; font-size: 
0.875em !important;">primary_keys</code><span class=""><span> 
</span>logic.</span></p><p class="ds-markdown-paragraph" style="margin: 16px 
0px; color: rgb(15, 17, 21); font-family: quote-cjk-patch, Inter, system-ui, 
-apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, 
Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, 
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: 
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; 
orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 
2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; 
background-color: rgb(255, 255, 255); text-decoration-thickness: initial; 
text-decoration-style: initial; text-decoration-color: initial;"><span 
class="">To make the change in pri
 mary keys clearer, here is a side‑by‑side comparison of the source and target 
tables (same table name for easy reference):</span></p><div 
class="ds-scroll-area ds-scroll-area--show-on-focus-within 
ds-scroll-area--enabled _1210dd7 c03cafe9" 
style="--dsl-scroll-area-gutters-disappear-delay: 1s; z-index: 0; position: 
relative; overflow: auto; scrollbar-width: none; --padding-left: calc(( 1872px 
- (840px - 2 * 44px) ) / 2 + (840px - 2 * 44px - 100%)); --padding-right: 54px; 
width: calc(100% + 506px); padding-left: calc(-100% + 1312px); padding-right: 
54px; margin-left: calc(100% - 1312px); color: rgb(15, 17, 21); font-family: 
quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, 
&quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, &quot;Open Sans&quot;, 
&quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; font-style: normal; 
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; 
letter-spacing: normal; orphans: 2; text-align: start; text
 -indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 
255, 255); text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial; --container-height: 185px;"><div 
class="ds-scroll-area__gutters" style="--dsl-scroll-area-scrollbar-bg: #e5e5e5; 
--dsl-scroll-area-scrollbar-hover: #d4d4d4; pointer-events: none; z-index: 
1000; transition: opacity 0.1s ease-out 1s; opacity: 1 !important; display: 
block; --container-height: 185px; position: sticky; top: 0px; left: 0px; right: 
0px; width: 1258.02px; height: 0px;"><div 
class="ds-scroll-area__horizontal-gutter" style="position: absolute; left: 0px; 
right: 0px; display: block; top: 171px; height: 8px;"></div><div 
class="ds-scroll-area__vertical-gutter" style="position: absolute; right: 3px; 
top: 3px; bottom: -182px; width: 8px;"></div></div>
   Table name | Source PK | Source UK | Target PK | Target UK
   -- | -- | -- | -- | --
   t_nova_merchant_info | id | merchant_id | merchant_id | –
   t_tyuen_txn_ext | id | id_txn_ctrl | id_txn_ctrl, data_source | –
   t_nova_merge_settle_serial | id | – | id, data_source | –
   
   </div><p class="ds-markdown-paragraph" style="margin: 16px 0px; color: 
rgb(15, 17, 21); font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 
255, 255); text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><span class="">(For<span> </span></span><code 
style="box-sizing: border-box; font-style: normal; font-variant: normal; 
font-weight: 400; font-stretch: 100%; line-height: 22px; font-optical-sizing: 
auto; font-size-adjust: none; font-kerning: auto; font-feature-settings: no
 rmal; font-variation-settings: normal; font-language-override: normal; 
font-family: Menlo, Monaco, Consolas, &quot;Cascadia Mono&quot;, &quot;Ubuntu 
Mono&quot;, &quot;DejaVu Sans Mono&quot;, &quot;Liberation Mono&quot;, 
&quot;JetBrains Mono&quot;, &quot;Fira Code&quot;, Cousine, &quot;Roboto 
Mono&quot;, &quot;Courier New&quot;, Courier, sans-serif, system-ui; 
background-color: rgb(235, 238, 242); border-radius: 6px; align-items: center; 
padding: 0px 5px; display: inline-flex; font-size: 0.875em 
!important;">t_nova_merge_settle_serial</code><span class="">, the source has 
no unique key, so the target uses<span> </span></span><code style="box-sizing: 
border-box; font-style: normal; font-variant: normal; font-weight: 400; 
font-stretch: 100%; line-height: 22px; font-optical-sizing: auto; 
font-size-adjust: none; font-kerning: auto; font-feature-settings: normal; 
font-variation-settings: normal; font-language-override: normal; font-family: 
Menlo, Monaco, Consolas, &quot;Cascadia Mono&quo
 t;, &quot;Ubuntu Mono&quot;, &quot;DejaVu Sans Mono&quot;, &quot;Liberation 
Mono&quot;, &quot;JetBrains Mono&quot;, &quot;Fira Code&quot;, Cousine, 
&quot;Roboto Mono&quot;, &quot;Courier New&quot;, Courier, sans-serif, 
system-ui; background-color: rgb(235, 238, 242); border-radius: 6px; 
align-items: center; padding: 0px 5px; display: inline-flex; font-size: 0.875em 
!important;">id, data_source</code><span class=""><span> </span>as the 
composite PK.)</span></p><hr style="background: none 0% 0% / auto repeat scroll 
padding-box border-box rgba(0, 0, 0, 0.1); border-width: medium; border-style: 
none; border-color: currentcolor; border-image: none; height: 1px; margin: 32px 
0px; display: block; font-family: quote-cjk-patch, Inter, system-ui, 
-apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, 
Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, 
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: 
normal; font-variant-caps: normal
 ; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: 
initial; text-decoration-style: initial; text-decoration-color: initial;"><p 
class="ds-markdown-paragraph" style="margin: 16px 0px; color: rgb(15, 17, 21); 
font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 
255, 255); text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration
 -color: initial;"><strong style="font-weight: 600;"><span class="">2. Regex 
matching semantics</span></strong></p><p class="ds-markdown-paragraph" 
style="margin: 16px 0px; color: rgb(15, 17, 21); font-family: quote-cjk-patch, 
Inter, system-ui, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, 
Roboto, Oxygen, Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica 
Neue&quot;, sans-serif; font-size: 16px; font-style: normal; 
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; 
letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; 
text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 
0px; white-space: normal; background-color: rgb(255, 255, 255); 
text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><span class="">My plan is to evaluate the 
patterns<span> </span></span><strong style="font-weight: 600;"><span 
class="">in the order they are defined</span></strong><
 span class=""><span> </span>– the first matching pattern is applied. Of 
course, in practice, one should avoid overlapping patterns for the same table; 
we will highlight this in the documentation with a clear warning.</span></p><p 
class="ds-markdown-paragraph" style="margin: 16px 0px; color: rgb(15, 17, 21); 
font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 
255, 255); text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><span class="">If a table does<span> 
</span></span
 ><strong style="font-weight: 600;"><span class="">not</span></strong><span 
 >class=""><span> </span>match any pattern, it falls back to the legacy<span> 
 ></span></span><code style="box-sizing: border-box; font-style: normal; 
 >font-variant: normal; font-weight: 400; font-stretch: 100%; line-height: 
 >22px; font-optical-sizing: auto; font-size-adjust: none; font-kerning: auto; 
 >font-feature-settings: normal; font-variation-settings: normal; 
 >font-language-override: normal; font-family: Menlo, Monaco, Consolas, 
 >&quot;Cascadia Mono&quot;, &quot;Ubuntu Mono&quot;, &quot;DejaVu Sans 
 >Mono&quot;, &quot;Liberation Mono&quot;, &quot;JetBrains Mono&quot;, 
 >&quot;Fira Code&quot;, Cousine, &quot;Roboto Mono&quot;, &quot;Courier 
 >New&quot;, Courier, sans-serif, system-ui; background-color: rgb(235, 238, 
 >242); border-radius: 6px; align-items: center; padding: 0px 5px; display: 
 >inline-flex; font-size: 0.875em !important;">primary_keys</code><span 
 >class=""><span> </span>behaviour (as also shown in the exam
 ple above).</span></p><hr style="background: none 0% 0% / auto repeat scroll 
padding-box border-box rgba(0, 0, 0, 0.1); border-width: medium; border-style: 
none; border-color: currentcolor; border-image: none; height: 1px; margin: 32px 
0px; display: block; font-family: quote-cjk-patch, Inter, system-ui, 
-apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, 
Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, 
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: 
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; 
orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 
2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; 
text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><p class="ds-markdown-paragraph" 
style="margin: 16px 0px; color: rgb(15, 17, 21); font-family: quote-cjk-patch, 
Inter, system-ui, -apple-system,
  BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 
255, 255); text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><strong style="font-weight: 600;"><span 
class="">3. Placeholder usage and semantics</span></strong></p><p 
class="ds-markdown-paragraph" style="margin: 16px 0px; color: rgb(15, 17, 21); 
font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; 
 font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; 
letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; 
text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 
0px; white-space: normal; background-color: rgb(255, 255, 255); 
text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><span class="">I agree with your 
interpretation: the existing<span> </span></span><code style="box-sizing: 
border-box; font-style: normal; font-variant: normal; font-weight: 400; 
font-stretch: 100%; line-height: 22px; font-optical-sizing: auto; 
font-size-adjust: none; font-kerning: auto; font-feature-settings: normal; 
font-variation-settings: normal; font-language-override: normal; font-family: 
Menlo, Monaco, Consolas, &quot;Cascadia Mono&quot;, &quot;Ubuntu Mono&quot;, 
&quot;DejaVu Sans Mono&quot;, &quot;Liberation Mono&quot;, &quot;JetBrains 
Mono&quot;, &quot;Fira Code&quot;, Cousine, &quot;Ro
 boto Mono&quot;, &quot;Courier New&quot;, Courier, sans-serif, system-ui; 
background-color: rgb(235, 238, 242); border-radius: 6px; align-items: center; 
padding: 0px 5px; display: inline-flex; font-size: 0.875em 
!important;">primary_keys</code><span class=""><span> </span>option remains 
unchanged. However, within the<span> </span></span><code style="box-sizing: 
border-box; font-style: normal; font-variant: normal; font-weight: 400; 
font-stretch: 100%; line-height: 22px; font-optical-sizing: auto; 
font-size-adjust: none; font-kerning: auto; font-feature-settings: normal; 
font-variation-settings: normal; font-language-override: normal; font-family: 
Menlo, Monaco, Consolas, &quot;Cascadia Mono&quot;, &quot;Ubuntu Mono&quot;, 
&quot;DejaVu Sans Mono&quot;, &quot;Liberation Mono&quot;, &quot;JetBrains 
Mono&quot;, &quot;Fira Code&quot;, Cousine, &quot;Roboto Mono&quot;, 
&quot;Courier New&quot;, Courier, sans-serif, system-ui; background-color: 
rgb(235, 238, 242); border-radius: 6px; alig
 n-items: center; padding: 0px 5px; display: inline-flex; font-size: 0.875em 
!important;">multi_table_config</code><span class=""><span> </span>section, 
the<span> </span></span><code style="box-sizing: border-box; font-style: 
normal; font-variant: normal; font-weight: 400; font-stretch: 100%; 
line-height: 22px; font-optical-sizing: auto; font-size-adjust: none; 
font-kerning: auto; font-feature-settings: normal; font-variation-settings: 
normal; font-language-override: normal; font-family: Menlo, Monaco, Consolas, 
&quot;Cascadia Mono&quot;, &quot;Ubuntu Mono&quot;, &quot;DejaVu Sans 
Mono&quot;, &quot;Liberation Mono&quot;, &quot;JetBrains Mono&quot;, &quot;Fira 
Code&quot;, Cousine, &quot;Roboto Mono&quot;, &quot;Courier New&quot;, Courier, 
sans-serif, system-ui; background-color: rgb(235, 238, 242); border-radius: 
6px; align-items: center; padding: 0px 5px; display: inline-flex; font-size: 
0.875em !important;">primary_keys</code><span class=""><span> </span>field can 
be given a<span
 > </span></span><strong style="font-weight: 600;"><span 
 >class="">re‑interpreted semantics</span></strong><span class=""><span> 
 ></span>because the context is different – it is now a per‑table override that 
 >may include placeholders like<span> </span></span><code style="box-sizing: 
 >border-box; font-style: normal; font-variant: normal; font-weight: 400; 
 >font-stretch: 100%; line-height: 22px; font-optical-sizing: auto; 
 >font-size-adjust: none; font-kerning: auto; font-feature-settings: normal; 
 >font-variation-settings: normal; font-language-override: normal; font-family: 
 >Menlo, Monaco, Consolas, &quot;Cascadia Mono&quot;, &quot;Ubuntu Mono&quot;, 
 >&quot;DejaVu Sans Mono&quot;, &quot;Liberation Mono&quot;, &quot;JetBrains 
 >Mono&quot;, &quot;Fira Code&quot;, Cousine, &quot;Roboto Mono&quot;, 
 >&quot;Courier New&quot;, Courier, sans-serif, system-ui; background-color: 
 >rgb(235, 238, 242); border-radius: 6px; align-items: center; padding: 0px 
 >5px; display: inline-flex; font-size: 0.875em !
 important;">${primary_key}</code><span class="">. Since the logic is 
completely separate from the legacy option, we only need to define the 
expansion rules inside the new<span> </span></span><code style="box-sizing: 
border-box; font-style: normal; font-variant: normal; font-weight: 400; 
font-stretch: 100%; line-height: 22px; font-optical-sizing: auto; 
font-size-adjust: none; font-kerning: auto; font-feature-settings: normal; 
font-variation-settings: normal; font-language-override: normal; font-family: 
Menlo, Monaco, Consolas, &quot;Cascadia Mono&quot;, &quot;Ubuntu Mono&quot;, 
&quot;DejaVu Sans Mono&quot;, &quot;Liberation Mono&quot;, &quot;JetBrains 
Mono&quot;, &quot;Fira Code&quot;, Cousine, &quot;Roboto Mono&quot;, 
&quot;Courier New&quot;, Courier, sans-serif, system-ui; background-color: 
rgb(235, 238, 242); border-radius: 6px; align-items: center; padding: 0px 5px; 
display: inline-flex; font-size: 0.875em 
!important;">multi_table_config</code><span class=""><span> </span>scope
 .</span></p><p class="ds-markdown-paragraph" style="margin: 16px 0px; color: 
rgb(15, 17, 21); font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 
255, 255); text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><span class="">If you see a potential issue 
with this approach, or if you think the naming could cause confusion, I am very 
open to discussing alternatives.</span></p><hr style="background: none 0% 0% / 
auto repeat scroll padding-box border-box rgba(0, 0, 0, 0.1); bord
 er-width: medium; border-style: none; border-color: currentcolor; 
border-image: none; height: 1px; margin: 32px 0px; display: block; font-family: 
quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, 
&quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, &quot;Open Sans&quot;, 
&quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; font-style: normal; 
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; 
letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; 
text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 
0px; white-space: normal; text-decoration-thickness: initial; 
text-decoration-style: initial; text-decoration-color: initial;"><p 
class="ds-markdown-paragraph" style="margin: 16px 0px; color: rgb(15, 17, 21); 
font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&qu
 ot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: 
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; 
orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 
2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; 
background-color: rgb(255, 255, 255); text-decoration-thickness: initial; 
text-decoration-style: initial; text-decoration-color: initial;"><strong 
style="font-weight: 600;"><span class="">4. Documentation and 
implementation</span></strong></p><p class="ds-markdown-paragraph" 
style="margin: 16px 0px; color: rgb(15, 17, 21); font-family: quote-cjk-patch, 
Inter, system-ui, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, 
Roboto, Oxygen, Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica 
Neue&quot;, sans-serif; font-size: 16px; font-style: normal; 
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; 
letter-spacing: normal; orphans: 2; text-align
 : start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 
255, 255); text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><span class="">Once we reach consensus on the 
design, I will update my current implementation accordingly and provide 
comprehensive documentation (both English and Chinese) covering:</span></p><ul 
style="margin: 16px 0px; padding-left: 18px; color: rgb(15, 17, 21); 
font-family: quote-cjk-patch, Inter, system-ui, -apple-system, 
BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, 
&quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 16px; 
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; 
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; 
text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; 
-webkit-text-strok
 e-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); 
text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><li><p class="ds-markdown-paragraph" 
style="margin-top: 0px !important; margin-right: 0px; margin-bottom: 0px; 
margin-left: 0px;"><span class="">the interaction with generated 
SQL,</span></p></li><li style="margin-top: 6px;"><p 
class="ds-markdown-paragraph" style="margin-top: 0px !important; margin-right: 
0px; margin-bottom: 0px; margin-left: 0px;"><span class="">behaviour for 
auto‑created tables,</span></p></li><li style="margin-top: 6px;"><p 
class="ds-markdown-paragraph" style="margin-top: 0px !important; margin-right: 
0px; margin-bottom: 0px; margin-left: 0px;"><span class="">the 
precedence/fallback chain,</span></p></li><li style="margin-top: 6px;"><p 
class="ds-markdown-paragraph" style="margin-top: 0px !important; margin-right: 
0px; margin-bottom: 0px; margin-left: 0px;"><span class="">and the placeholder
  expansion rules.</span></p></li></ul><hr style="background: none 0% 0% / auto 
repeat scroll padding-box border-box rgba(0, 0, 0, 0.1); border-width: medium; 
border-style: none; border-color: currentcolor; border-image: none; height: 
1px; margin: 32px 0px; display: block; font-family: quote-cjk-patch, Inter, 
system-ui, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, 
Oxygen, Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, 
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: 
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; 
orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 
2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; 
text-decoration-thickness: initial; text-decoration-style: initial; 
text-decoration-color: initial;"><p class="ds-markdown-paragraph" 
style="margin: 16px 0px; color: rgb(15, 17, 21); font-family: quote-cjk-patch, 
Inter, system-ui
 , -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, 
Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, 
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: 
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; 
orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 
2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; 
background-color: rgb(255, 255, 255); text-decoration-thickness: initial; 
text-decoration-style: initial; text-decoration-color: initial;"><span 
class="">I hope this clarifies all the points you raised. Any further 
suggestions or differing views are very welcome – thank you again for driving 
this discussion forward.</span></p><!--EndFragment-->
   </body>
   </html>


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]

Reply via email to