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Clarify cursor iteration predicates some more #481

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Clarify cursor iteration predicates some more #481

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24 changes: 16 additions & 8 deletions index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -6083,15 +6083,19 @@ To <dfn>iterate a cursor</dfn> with |targetRealm|, |cursor|, an optional
* The record's key is [=greater than=] or [=equal to=] |key|.

* If |primaryKey| is defined:
* The record's key is [=equal to=] |key| and the record's value is [=greater than=] or [=equal to=] |primaryKey|
* The record's key is [=greater than=] |key|.
* If the record's key is [=equal to=] |key|:
* The record's value is [=greater than=] or [=equal to=] |primaryKey|
* Else:
* The record's key is [=greater than=] |key|.

* If |position| is defined and |source| is an [=/object store=]:
* The record's key is [=greater than=] |position|.

* If |position| is defined and |source| is an [=/index=]:
* The record's key is [=equal to=] |position| and the record's value is [=greater than=] |object store position|
* The record's key is [=greater than=] |position|.
* If the record's key is [=equal to=] |position|:
* The record's value is [=greater than=] |object store position|
* Else:
* The record's key is [=greater than=] |position|.

* The record's key is [=in=] |range|.

Expand All @@ -6117,15 +6121,19 @@ To <dfn>iterate a cursor</dfn> with |targetRealm|, |cursor|, an optional
* The record's key is [=less than=] or [=equal to=] |key|.

* If |primaryKey| is defined:
* The record's key is [=equal to=] |key| and the record's value is [=less than=] or [=equal to=] |primaryKey|
* The record's key is [=less than=] |key|.
* If the record's key is [=equal to=] |key|:
* The record's value is [=less than=] or [=equal to=] |primaryKey|
* Else:
* The record's key is [=less than=] |key|.

* If |position| is defined and |source| is an [=/object store=]:
* The record's key is [=less than=] |position|.

* If |position| is defined and |source| is an [=/index=]:
* The record's key is [=equal to=] |position| and the record's value is [=less than=] |object store position|
* The record's key is [=less than=] |position|.
* If the record's key is [=equal to=] |position|:
* The record's value is [=less than=] |object store position|
* Else:
* The record's key is [=less than=] |position|.

* The record's key is [=in=] |range|.

Expand Down